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Best Deep Fitted Mattress Encasements of 2026

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Corey Phillips

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Deep fitted mattress encasements are a practical solution for keeping your mattress clean and hygienic. These encasements are designed to fit snugly over your mattress, providing a protective barrier against dust mites, allergens, and other irritants. Made from high-quality materials, they are durable and easy to clean, and can help extend the life of your mattress. With a range of sizes and styles available, there is sure to be a deep fitted mattress encasement to suit your needs. Whether you suffer from allergies or simply want to keep your mattress in top condition, these encasements are a smart investment.

At a Glance: Our Top Picks

Top 10 Deep Fitted Mattress Encasements

#TOP 1

Zipped King Size Mattress Encasement Protector Waterproof Mattress Cover with Zipper Zip Up Soft Washable Breathable Full Encasement Cover 30cm Deep Fitted

Zipped King Size Mattress Encasement Protector Waterproof Mattress Cover with Zipper Zip Up Soft Washable Breathable Full Encasement Cover 30cm Deep Fitted Cover

Zipped King Size Mattress Encasement Protector Waterproof Mattress Cover with Zipper Zip Up Soft Washable Breathable Full Encasement Cover 30cm Deep Fitted (King 150x200cm)

Features

  • Zipped Waterproof Mattress Cover With Knitted Fabric And Waterproof Membrane, Breathable Effect While Ensuring Waterproof ,bed Cover Protectors Offer Plush Comfort That Helps Keep You Cool And Breathable Throughout The Night.
  • Zipped Waterproof Mattress Protector Cover With Zip All Round Protection 30cm Deep Fitted,100% WATERPROOF PROTECTION: Soft, Quiet And Waterproof Mattress Protector Top Surface Membrane Repels All Liquids Including Bodily Fluids, Perspiration, Urine And Accidental Spills,bed Wetting, And Stains.
  • Zipped Waterproof Mattress Protector King Size Protective Cover Is Made In 3 Sizes Including Single Size, Double Size, King Size, Choose The Correct Size, Fits Most Beds Up To 30cm Deep
9.8
FTB Score
#TOP 2

Zipped Super King Mattress Encasement Protector Waterproof with Zip Up Mattress Cover All Round Protection 30cm Deep Fitted

Zipped Super King Mattress Encasement Protector Waterproof with Zip Up Mattress Cover All Round Protection 30cm Deep Fitted Cover

Zipped Super King Mattress Encasement Protector Waterproof with Zip Up Mattress Cover All Round Protection 30cm Deep Fitted (Super King 180x200cm+30cm)

Features

  • 100% Waterproof Mattress Protector Super King Size Zipped - The Soft, Quiet And Waterproof Membrane Of The Mattress Protector On The Top Repels All Liquids Including Body Fluids, Sweat, Urine And Accidental Spills, Bed Wetting And Stains.
  • Zipped Super King Mattress Protector With Zip Fully Protect Your Mattress With This Full Cover Mattress Encasement, Breathable Mattress Protector Duvet Knitted Fabrics And Waterproof Membranes, Breathable Effect While Waterproof Duvet Protectors Provide Soft Comfort That Keeps You Cool And Breathable All Night Long.
  • Zipped Mattress Protector Super King Size Of 30cm Deep Fitted Ensuring All Round Protection For Your Mattresses. Suitable For Most Beds Up To 30cm Deep Fitted
9.7
FTB Score
#TOP 3

Savel Double Size Waterproof Mattress Protector

  • Savel
  • 203046
  • White
  • 140x190/200 cm
Savel Double Size Waterproof Mattress Protector Cover

Savel - Mattress Encasement 140x190/200 cm Double Size | Waterproof and Breathable Mattress Protector | Deep 30cm Fitted Skirt - White

The Savel Mattress Protector offers comprehensive protection for your mattress. With its anti-mite treatment, it safeguards against dust mites and bedbugs, ensuring a clean sleeping environment. The waterproof and breathable design protects all six sides of the mattress from liquids and dirt, making it ideal for allergy sufferers. The easy fitting U-shaped zip fastener allows you to quickly secure the cover, while its machine-washable feature at a recommended temperature of 40ᴼC ensures effortless maintenance, keeping your mattress fresh and hygienic.

9.5
FTB Score

What We Like

  • Effective dust mite protection
  • Waterproof and breathable design
  • Easy to fit and remove
  • Machine washable for convenience

MIA Full Encasement Anti Bed Bug Mattress Protector

MIA Full Encasement Anti Bed Bug Mattress Protector Cover

Mattress Zipped Cover Full Encasement Anti Bed Bug Mattress Zip Protector 30cm Deep & Hypoallergenic Matress Cover with Double Side Zipper Closure (Dark Grey, Double)

The MIA Mattress Protector offers ultimate protection for your sleep environment. With its full encasement design, you can guard against bed bugs, dust mites, and allergens, ensuring a cleaner space for you and your family. It fits mattresses up to 30cm deep, providing a secure fit that prevents any shifting. This hypoallergenic cover helps to reduce allergy triggers, making it ideal for those with sensitive skin or allergies. Additionally, it is easy to care for, as you can simply machine wash and tumble dry it for effortless cleaning.

9.5
FTB Score

What We Like

  • Effective bed bug protection
  • Hypoallergenic for sensitive users
  • Easy machine washable
  • Durable and long-lasting
  • Perfect fit for deep mattresses
#TOP 5

Diamond Pattern Mattress Protector Hypoallergenic Extra Deep Total Zipper Encasement Cover Bug-Proof, Non-Noisy, Anti-Allergy Breathable Fitted Style Blue and Grey Poly-Cotton Zipped

Diamond Pattern Mattress Protector Hypoallergenic Extra Deep Total Zipper Encasement Cover Bug-Proof, Non-Noisy, Anti-Allergy Breathable Fitted Style Blue and Grey Poly-Cotton Zipped Cover

Diamond Pattern Mattress Protector Hypoallergenic Extra Deep Total Zipper Encasement Cover Bug-Proof, Non-Noisy, Anti-Allergy Breathable Fitted Style Blue and Grey Poly-Cotton Zipped (Grey, King)

Features

  • HYPOALLERGENIC -- The Anti-Allergy, Anti-Bug Bed Mattress Protector Encasement Is Fully Zipped And Completely Wraps The Mattress To Protect It From Allergens And Dust Mites. It Is Made With Superior Eco-Friendly Materials That Are Free Of Vinyl, PVE, Or Phthalates. It Guarantees A Healthy Sleeping Environment For You And Your Loved Ones.
  • PREMIUM QUALITY -- Our Premium Quality Mattress Protectors Made Of Polycotton, Not Only Provide Comfort But Also Comprehensive Protection. Creating A Quiet And Reassuring Sleeping Environment. The High Elasticity And Resistance Of The Tissue Facilitate The Placement Of The Cover And Prevent Breakage. These Full Zipper Mattress Covers Are Anti-Slip And Breathable.
  • SOFT AND COMFORTABLE -- These Mattress Protectors Add An Extra Layer Of Comfort And Softness To Your Mattress. It Contains A Premium Blend Of Polyester Linen, Which Makes It Soft, Super Smooth, Non-Noisy, And Comfortable. It Guarantees A Healthy Sleeping Environment For You And Your Loved Ones.
9.5
FTB Score
#TOP 6

MIA Full Encasement Anti Bed Bug Mattress Cover

MIA Full Encasement Anti Bed Bug Mattress Cover Cover

Mattress Zipped Cover Full Encasement Anti Bed Bug Mattress Zip Protector 30cm Deep & Hypoallergenic Matress Cover with Double Side Zipper Closure (Light Grey, Super King)

The MIA Mattress Zipped Cover offers superior protection against bed bugs, dust mites, and allergens, ensuring you enjoy a cleaner and healthier sleep environment. It is designed to fit extra deep mattresses up to 30cm, preventing any shifting or bunching during use. With its hypoallergenic properties, this cover helps reduce allergy triggers, making it ideal for those with sensitive skin. Additionally, maintaining freshness is effortless as it is machine washable, allowing you to keep your sleeping surface hygienic with minimal effort.

9.3
FTB Score

What We Like

  • Effective bed bug protection
  • Fits extra deep mattresses
  • Hypoallergenic for allergy relief
  • Easy to machine wash
  • Durable and long-lasting fabric

Utopia Bedding Waterproof Mattress Encasement King Size

Utopia Bedding Waterproof Mattress Encasement King Size Cover

Utopia Bedding Premium Waterproof Mattress Encasement King Bed (150 x 200 x 30 cm), Zippered Mattress Protector, Bed Bug and Dust Mite Proof Mattress Cover, White

The Utopia Bedding Mattress Encasement is designed to fit king-sized mattresses perfectly, accommodating depths of up to 30 cm. Its durable knitted polyester fabric is both soft and breathable, ensuring comfort while providing long-lasting use. With 360° protection secured by a mini-zipper, you can rest easy knowing that even the tiniest bed bugs are kept at bay. The high-quality TPU backing makes this encasement waterproof, effectively repelling dust mites and bacteria for a healthier sleeping environment.

9.3
FTB Score

What We Like

  • Perfect fit for king mattresses
  • Durable and breathable fabric
  • Effective bed bug protection
  • Waterproof and bacteria resistant
#TOP 8

Velfont Mattress Encasement 90x190/200cm Single Size Resistant And Breathable Zipped 30cm Deep Fitted Skirt

  • Velfont
  • White
Velfont Mattress Encasement 90x190/200cm Single Size Resistant And Breathable Zipped 30cm Deep Fitted Skirt Cover

Velfont Mattress Encasement 90x190/200cm Single Size Resistant And Breathable Zipped 30cm Deep Fitted Skirt

Features

  • Elastic Fabric. The High Elasticity And Resistance Of The Tissue Facilitates The Placement Of The Cover And Prevents Breakage. The Zip Closure Makes The Mattress Completely Wrapped And Without Vulnerable Points.
  • Total Protection. Rooms Usually Accumulate Dust, Especially Under The Bed. The Velfont Fully Enclosed Mattress Encasement With Zipper Protects All Sides Of Your Mattress Against Dust. The Velfont Mattress Cover Also Helps To Defend The Bed From Scratches.
  • Oeko-TEX Standard 100. The Quality Standard OEKO TEX Standard 100 Certifies That This Product Is Free Of Any Harmful To Health Substance.
9.1
FTB Score
#TOP 9

SAVEL - Mattress Encasement Small Double | Stretchable and Breathable Bed Cover | Deep 30cm Fitted Skirt

  • Savel
  • 200505
  • White
  • 120x200
SAVEL - Mattress Encasement Small Double | Stretchable and Breathable Bed Cover | Deep 30cm Fitted Skirt Cover

SAVEL - Mattress Encasement (120x200 cm) Small Double | Stretchable and Breathable Bed Cover | Deep 30cm Fitted Skirt - White

Features

  • THE BREATHABLE FABRIC OF THE COVER ENHANCES AIR FLOW AND AVOIDS THE APPEARANCE OF MOULD ON THE MATTRESS: In Addition, The Fabric Of This Zipped Mattress Cover Is Made Of A Combination Of Cotton, Polyester And Elastane, Which Makes It Elastic, Adaptable And Very Resistant.
  • SAVEL MATTRESS COVERS PROTECT THE BED AGAINST DUST, RUST AND SWEAT: Improving Hygiene During Sleep. Regular Cleaning Of The Cover Prevents The Growth And Proliferation Of Bacteria And Mites, And Prolongs The Life Of Your Mattresses.
  • U-LOOP ZIPPER CLOSURE: The Elastic Fabric Makes It Easy To Fit And Prevents Tearing During Assembly. Perfect Fit For Your Bed Mattress
8.9
FTB Score
#TOP 10

Bed Bug Proof Mattress Encasement Cover

Bed Bug Proof Mattress Encasement Cover Cover

Bed Bug Proof Protector Mattress Encasement Cover Zippered Anti Dust Mite Breathable Total Mattress Protection (King 60" x 80" + 12" depth)

The House Of Emily Protector offers complete peace of mind with its 100% bed bug proof encasement. This protector not only shields your mattress from bed bugs but also effectively combats dust mites and bacteria, ensuring a healthier sleeping environment. Its waterproof and breathable design guarantees that you stay comfortable throughout the night. With an easy-fit three-sided zipper system, you can effortlessly slide your mattress in and secure it for total protection.

8.7
FTB Score

What We Like

  • 100% bed bug proof
  • Waterproof and breathable
  • Easy-fit zipper system
  • Machine washable
  • Soft, smooth fabric

Editor's Notes

During our deep fitted mattress encasement research, we found 75 deep fitted mattress encasement products and shortlisted 10 quality products. We collected and analyzed 54,640 customer reviews through our big data system to write the deep fitted mattress encasements list. We found that most customers choose deep fitted mattress encasements with an average price of £18.95.

The deep fitted mattress encasements are available for purchase. We have researched hundreds of brands and picked the top brands of deep fitted mattress encasements, including ESFOTO, XUANYIJIE, Savel, MIA we dress your home, oceanevo.

Written by

Corey Phillips Avatar

Corey Phillips

Corey Philips is an electrician and lighting expert. He graduated from the University of Birmingham in 2012 with a Bachelor's degree in electrical and electronics engineering. Corey is a specialist contractor in lights. He sells and installs and recommends lights and lamp sheds, and other lights accessories. Aside from that, Corey is vast in installing and maintaining electrical appliances like air conditioners, water heaters, and the likes.