1 4

Simply 3 Dorm Encasement

Simply 3 Dorm Encasement

Protect your entire mattress with our Simply 3 Encasement—6-sided coverage with a 3-sided zipper lock guarantees bed bug protection and complete security from all sides. Laboratory certified and hypoallergenic, it features impermeable yet breathable technology that guards against dust mites, mold, bacteria, and allergens while extending your mattress life. Hassle-free installation and machine washable for convenient, long-lasting protection.

$45.99 USD
$45.99 USD
Sale Sold out

100-Night Sleep Better Guarantee | 5 Year Warranty

  • Ships in 1-2 business days
  • 30-day returns
  • 10-year warranty
View full details

Give your mattress complete, all-around defense with the Simply 3 Mattress Encasement. A convenient three-sided zipper allows for hassle-free installation, while full 6-sided coverage delivers guaranteed protection against bed bugs. Backed by certified laboratory testing for non-allergenicity, this encasement features an impermeable yet breathable waterproof barrier that keeps your sleep environment clean and comfortable night after night. Easy to care for and built to extend the life of your mattress, it's protection that doesn't compromise on luxury.

Key Features:

  • Certified & laboratory tested for non-allergenicity
  • Guaranteed bed bug protection
  • Hypoallergenic protection from irritants, dust mites, mold & bacteria
  • Luxuriously soft & smooth fabric
  • Impermeable yet breathable, fluid-proof Breathe-a-Barrier®
  • Machine washable
  • Three-sided zipper lock for full, secure coverage

Complete Coverage, Uncompromised Comfort

A tightly sealed design meets a soft, breathable surface — protecting your mattress without sacrificing the feel of your bed.

  • 6-Sided Coverage
  • Bed Bug Defense
  • Breathe-a-Barrier® Fabric
  • Effortless Zipper

FAQs

01 How does the three-sided zipper make installation easier?


The three-sided zipper design allows the encasement to open wide around the mattress, making it simple to fit and secure without the struggle of a single-side or corner-only opening.

02 Does "guaranteed bed bug protection" mean it's been tested?


Yes, the encasement is certified and laboratory tested, ensuring its 6-sided coverage and zipper lock provide reliable protection against bed bugs.

03 Will the waterproof barrier make the mattress feel hot or uncomfortable?


No, the barrier is impermeable yet breathable, so it blocks liquids and stains while still allowing airflow for a comfortable, non-stuffy sleep surface.

04 Is this encasement a good option for people with allergies?


Yes, it's laboratory tested for non-allergenicity and provides hypoallergenic protection against irritants, dust mites, mold, and bacteria.

05 Can I machine wash the Simply 3 Mattress Encasement?


Yes, it's machine washable, making regular care and cleaning simple and convenient.

Bestsellers

Shop our most-loved sleep essentials