While these microscopic pests love hiding in carpets and curtains, their favorite spot is your bed. The thick mattress and warm sheets provide the perfect breeding ground.
The most effective way to kick them out is with a high-quality dust mite cover. We analyzed dozens of options, researching design, material pore size, breathability, and waterproofing capabilities. Here is our roundup of the five best covers to help you sleep easier.
- Six-side protection
- Hypoallergenic design
- Breathable fabric
- Soft polyester fabric
- Guarded and secure zipper
- Waterproof TPU backing
- 100 Percent waterproof
- Hypoallergenic cover
- Free from toxins
What Exactly Are Dust Mites?
Dust mites are microscopic arthropods that look like tiny bugs. As the name suggests, they live and thrive in household dust, where they feed on organic matter.
Unlike bed bugs, dust mites do not bite humans. Instead, they feed on dead skin flakes, also known as dander (1).
As we sleep, tiny flecks of skin fall off. This dander works its way deep into the inner layers of the mattress, furniture, and carpets. It isn’t just human skin these pests crave; they also happily feed on pet dander.
Take Note
Understanding Dust Mite Allergies
An allergy occurs when the immune system reacts negatively to the proteins found in dust mite body parts and waste.
Dust mites die in low humidity or extreme temperatures, but the allergen often remains. Their decaying bodies and skeletons linger in fabrics. When these particles become airborne and are inhaled, they cause allergic or asthmatic reactions (2).
Common symptoms of dust mite allergy include:
- Runny or stuffy nose
- Itchy mouth, nose, or throat
- Red, itchy skin
- Postnasal drip
- Persistent coughing
- Sneezing fits
Asthmatic reactions may include:
- Breathing difficulties
- Audible wheezing
- Difficulty sleeping due to shortness of breath
- Chest pain or tightness
Why You Need a Dust Mite Cover
A dust mite cover, often called an encasement, seals the mattress entirely. It is one of the most effective tools for allergy management.
These covers serve three vital purposes:
- Eliminates the food source: When you seal all sides of your mattress in a specialized fabric, the dust mites inside lose access to new food (your skin). They eventually starve and die.
- Creates an allergen barrier: This is the main benefit for allergy sufferers. The cover traps existing mites and waste inside while preventing new ones from entering. This separation helps alleviate night-time congestion.
- Keeps the bed clean: We sweat while we sleep, and spills happen. Most dust mite covers are waterproof, keeping your expensive mattress free of sweat, urine, and liquids (3).
Key Features to Look For
Finding the right cover requires a balance between protection and comfort. You want an unbreakable barrier against mites without feeling like you are sleeping on a plastic bag. Consider these factors before buying.
1. Material and Pore Size
The fabric quality determines effectiveness and comfort. For a cover to block dust mites and their waste, the “pore size” (the space between fibers) must be small. Look for a pore size of under 10 microns.
If you choose a cheap synthetic fabric, it might rustle loudly with every movement. Poor quality materials also trap heat, leaving you feeling like a roasted chicken by morning. We recommend cotton with a terry top for comfort, or a high-quality knitted polyester with a breathable membrane.
2. Waterproofing vs. Breathability
Many dust mite covers double as waterproof mattress protectors. While waterproofing isn’t required to stop mites (tightly woven cotton works too), it is a great bonus feature.
Waterproof covers usually use a polyurethane or PVC backing. Some sleepers find this creates heat retention or noise. If you are a hot sleeper, look for “membrane” style waterproofing, which tends to be more breathable than vinyl. If you don’t need waterproofing, a tightly woven cotton encasement is the coolest option.
3. Zipper Quality and Protection
The zipper is the potential weak point of any encasement. If the teeth are too far apart, mites can crawl right through.
Look for a “micro-zipper” designed specifically for allergens. Additionally, the best covers feature a velcro flap or “zipper guard” that seals over the end of the zipper. This ensures there is absolutely no gap for pests to enter or escape.
Product Reviews
We focused on pore size, comfort, zipper construction, and durability during our search. We wanted covers that stay cool, remain quiet, and actually stop allergens.
After comparing the top brands, here are our five favorite dust mite covers.
PlushDeluxe Premium Mattress Encasement
Best Overall
What sets this apart is the detailed defense system. It uses a velcro flap to seal the zipper end, ensuring bed bugs and dust mites have zero entry points. It is hypoallergenic, machine washable, and comes in various depths to fit standard and pillow-top mattresses.
What We Like
Total Allergen Defense
This isn’t just a top sheet; it fully encases the mattress. The hypoallergenic barrier prevents dust mites from settling in the fibers, which can significantly reduce morning congestion and allergy symptoms.
Secure Seal Technology
The zipper is often where covers fail, but PlushDeluxe includes a velcro strap that seals over the zipper pull. This locks the encasement tight, preventing bed bugs from sneaking in or out.
Six-Sided Protection
Your mattress is an investment. This cover protects the top, bottom, and all four sides. This comprehensive coverage is essential for stopping mold, bacteria, and pests.
Soft Surface Feel
Many waterproof covers feel stiff or crinkly. This one utilizes a cotton-terry surface that is soft against the skin and absorbs moisture, making it much quieter than standard vinyl covers.
10-Year Warranty
The company backs this product with a 10-year warranty, promising a replacement if there are defects. It is also machine washable and tumble-dry safe on low heat.
What We Don't Like
Sizing Can Be Snug
While it claims to fit mattresses 12 to 15 inches deep, it can be a tight squeeze on the thicker end of that spectrum. Measure your mattress depth carefully before ordering.
Requires Effort to Install
Since it encases the entire bed, you will likely need a helper to lift the mattress and slide this on. It isn’t as easy as a fitted sheet to remove for washing.
Sleeps Slightly Warm
The waterproof membrane is breathable, but like most waterproof barriers, it retains more heat than a standard cotton sheet. Extreme hot sleepers might notice the difference.
Product Specs
| Depth | 12 to 15 inches |
| Hypoallergenic | Yes |
| Material | Cotton with terry surface and waterproof membrane layer |
| Warranty | 10-year warranty |
Our Ratings
Queen SureGuard Mattress Cover
Best for Bed Bugs
Made from 100% cotton terry, it is free from vinyl, PVC, and phthalates, making it a safe choice for children or those with chemical sensitivities. It offers a quiet, soft sleep surface while maintaining a waterproof barrier against accidents.
What We Like
SureGuard Technology
The brand specializes in pest protection. The zipper creates an incredibly tight seal that bed bugs cannot penetrate. Detailed instructions are included to ensure you install it correctly for maximum safety.
Hypoallergenic Relief
By blocking mold spores, pollen, and pet dander, this cover helps create a sanctuary for asthma sufferers. It essentially hits the “reset” button on an older mattress filled with allergens.
Easy Maintenance
You can machine wash and tumble dry this cover on low heat. This is a lifesaver for parents dealing with potty training or anyone who likes to freshen up their bedding frequently.
Breathable Cotton Terry
The top layer is cotton terry, which naturally wicks away moisture. This helps airflow better than smooth polyester covers, keeping you drier and more comfortable throughout the night.
Non-Toxic Materials
We love that this cover avoids harsh chemicals. It is GREENGUARD Gold Certified, meaning it meets strict standards for low chemical emissions.
What We Don't Like
Terry Cloth is Only on Top
The soft cotton terry is only on the top surface. The sides and bottom are a different material, which some users found less premium, though still functional.
Sizing Runs Large
Unlike the PlushDeluxe, the SureGuard tends to run a bit big. This can leave some baggy fabric under your sheets, which might annoy those who prefer a hotel-style tight fit.
Two-Person Job
Installation requires lifting the mattress entirely. It is difficult to do alone, especially with a heavy King or Queen memory foam bed.
Product Specs
| Depth | 13 to 16 inches (6 to 8 inches, 9 to 12 inches, and 17 to 20 inches also available) |
| Hypoallergenic | Yes |
| Material | Cotton with terry cloth |
| Warranty | 10-year warranty |
Our Ratings
Utopia Bedding Zippered Mattress Cover
Best Budget Option
It features a TPU backing that makes it completely waterproof. While it may not feel as luxurious as cotton options, it gets the job done effectively, blocking mites and protecting against liquid damage at a fraction of the cost of premium brands.
What We Like
Stretchy Polyester Fit
The knitted polyester fabric has some give, making it slightly easier to stretch over the corners of the mattress compared to rigid cotton covers.
High-Security Zipper
Despite the low price, it includes a zip guard to secure the closure. This ensures the encasement stays shut even if you toss and turn, keeping allergens locked away.
Waterproof TPU Backing
The thermoplastic polyurethane (TPU) backing is an effective barrier against urine and spills. It protects the integrity of the mattress foam and springs from moisture damage.
Machine Washable
Cleaning is straightforward. Use a mild detergent and cool water, then tumble dry on low. Avoiding bleach is key to maintaining the waterproof layer.
What We Don't Like
Slight Noise Factor
Because it uses a budget-friendly polyester and TPU mix, it isn’t entirely silent. You might hear a slight swoosh or crinkle when moving, though it is quieter than old-school plastic covers.
Heat Retention
This cover is less breathable than the cotton options on our list. If you sleep hot, the lack of airflow through the synthetic material might be noticeable.
Installation Workout
Like all encasements, putting this on is a chore. Some users reported inconsistent sizing, with some units being too tight for 15-inch mattresses, risking a ripped zipper during installation.
Product Specs
| Depth | 13 inches |
| Hypoallergenic | No |
| Material | Knitted polyester and PVC backing |
| Warranty | Not specified |
Our Ratings
LinenSpa Zippered Hypoallergenic Mattress Cover
Most Comfortable
It protects against dust mites, bed bugs, and allergens while offering waterproof protection on the top and sides. Note that this specific model usually has a breathable bottom (non-waterproof) to allow air to escape, which helps with temperature regulation but changes the protection level slightly.
What We Like
Quiet Performance
This is one of the quietest covers we reviewed. The material is soft and thin, preventing that annoying plastic crinkle sound that disturbs light sleepers.
Effective Bug Barrier
The zipper closure is tight and reliable. Customers report success in controlling bed bug issues and seeing a reduction in allergy symptoms after installing this encasement.
Easy Care Instructions
You can toss this in the washer on almost any temperature setting (though we recommend warm) and tumble dry on low. It holds up well to repeated washing without the backing peeling off immediately.
Great Value
It offers a good balance of features for the price point, backed by a 10-year warranty that adds peace of mind to your purchase.
What We Don't Like
Thin Construction
To achieve breathability and low noise, the material is quite thin, almost see-through in areas. While comfortable, it feels more fragile than the heavy-duty SureGuard.
Stitching Durability
Some long-term users noted that the seams can pull apart if you are rough during installation. Handle with care when stretching it over the mattress corners.
Zipper Gap
Some versions of this model lack a velcro flap to cover the final inch of the zipper mechanism. While the teeth are tight, this tiny gap could theoretically allow a small bug to enter.
Product Specs
| Depth | 12 inches |
| Hypoallergenic | No |
| Material | Polyurethane with polyester backing |
| Warranty | 10-year warranty |
Our Ratings
TRU Lite Bedding Mattress Cover
Best for Families
The cotton-terry surface is absorbent and waterproof, tackling two problems at once: night sweats and allergens. It offers full six-sided protection with a focus on keeping the mattress pristine.
What We Like
Family-Friendly Waterproofing
The barrier is highly effective against large spills, making it excellent for kids’ beds. It blocks urine and vomit from soaking into the foam, preventing lingering odors.
Hypoallergenic Shield
By fully sealing the mattress, it separates the sleeper from mold, mildew, and mites. This is critical for children with developing immune systems or asthma.
No Toxic Off-Gassing
Since it avoids vinyl and PVC, you won’t get that strong chemical smell when you first open the package. It is safe to sleep on immediately after washing.
Deep Pocket Fit
It is designed to accommodate thicker mattresses, which is helpful if you have added a foam topper to your bed.
What We Don't Like
Missing Zipper Guard
We would prefer a velcro tab to lock the zipper in place. Without it, the zipper can slide open slightly over time, compromising the seal.
Texture Issues
Because it runs large to fit deep mattresses, it can bunch up under the sheets. Sensitive sleepers might feel the folds or “air pockets” underneath them.
Zipper Durability
The zipper mechanism is the weak link here. Several users reported it getting stuck or separating if forced. Go slowly when zipping it up for the first time.
Product Specs
| Depth | 6 to 18 inches |
| Hypoallergenic | Yes |
| Material | Not specified |
| Warranty | Not specified |
Our Ratings
| Product | Best | Depth | Hypoallergenic | Material | Warranty |
| PlushDeluxe Mattress Encasement | Overall | 12 – 15″ | Yes | Cotton with terry surface | 10-year |
| Queen SureGuard Mattress Cover | Bed Bugs | 13 – 16″ (6 – 8″, 9 – 12″, 17 – 20″) | Yes | Cotton with terry cloth | 10-year |
| Utopia Bedding Zippered Mattress Cover | Waterproof | 13″ | No | Knitted polyester and PVC backing | N/A |
| LinenSpa Zippered Hypoallergenic Cover | Comfort | 12″ | No | Polyurethane with polyester backing | 10-year |
| TRU Lite Bedding Mattress Cover | Families | 6 – 18″ | Yes | N/A | N/A |
FAQs
How Often Should Dust Mite Covers be Washed?
You generally only need to wash the zippered encasement once or twice a year. Since it goes under your fitted sheet, it stays relatively clean. However, wash your top sheets and pillowcases weekly in hot water.
How Do I Know If I Have Dust Mites In My Mattress?
You likely won’t see them, but you will feel them. If you wake up with a stuffy nose, itchy eyes, sneezing, or eczema flare-ups that improve when you leave the house, your mattress is likely the culprit.
Can Dust Mites Survive In Memory Foam Mattresses?
Yes, though fewer mites live in foam than innerspring coils due to the density. However, they still thrive on the surface and in the cover where skin cells collect.
How Do I Prevent Dust Mites In My Bed?
The best defense is a multi-step approach: Use a zippered mattress encasement like the Plush Deluxe, wash bedding weekly in hot water (at least 130°F), and keep bedroom humidity below 50%.
Do Air Purifiers Get Rid of Dust Mites?
Air purifiers capture airborne dust and mite waste, which helps reduce symptoms. However, they cannot remove mites living inside your mattress or carpet; you need a cover and a vacuum for that.
What Is the Difference Between a Mattress Protector and an Encasement?
A protector typically covers only the top and sides (like a fitted sheet) and guards against spills. An encasement covers all six sides and zips shut, offering total protection against bed bugs and dust mites.
