Box Spring Encasement Zippered Bed Bug Dust Mite Proof - Split King

In this review of the Box Spring Encasement the bottom line is clear: this cover is for sleepers who want a simple, effective barrier against bed bugs and common allergens without a plasticky feel. The reviewer found the stretchable 100% polyester knit fabric easy to work with and appreciated the included installation kit and zippered closure. For those with a split king box spring up to 39 in by 80 in and 5 to 8 in depth, this encasement provides dependable protection and a washable, low-profile solution that can contribute to better respiratory comfort.

Key Features

• Independent lab testing: The encasement is independently lab-tested, which gives confidence in its protective performance against bed bugs and dust mites.
• Stretchable polyester knit: The 100% polyester stretch fabric makes installation easier than stiff vinyl options and feels less plasticky against the box spring.
• Complete installation kit: An included installation kit helps get the cover securely in place without needing extra tools or helpers.
• Zippered closure: A full zipper closure tucks safely and is reported to be durable, helping maintain the barrier long term.
• Machine washable: The cover can be machine washed and dried, making upkeep straightforward for ongoing allergen control.

Who It's For

The encasement is aimed at people who want practical bed bug and dust mite protection for a split king box spring, especially those who prefer a fabric cover over coated or plastic materials. It suits households concerned about respiratory triggers and anyone who needs a low-profile 6 in solution that still allows easy laundering.

It is less suited to users who need a very deep or nonstandard box spring size or those looking for extra padding or waterproofing; the product focuses on barrier protection and breathability rather than cushioning or heavy waterproof membranes.

Pros & Cons

Pros

• Quality stretch knit fabric that slides on and conforms without a stiff, plastic feel.
• Effective bed bug and dust mite barrier backed by independent testing.
• Included installation kit and reliable zipper make setup straightforward.
• Machine washable and covered by a 5-year limited manufacturers warranty.

Cons

• Designed for box spring depths of about 5 to 8 in, so it will not fit much deeper foundations.
• Not a waterproof encasement, so it does not replace a separate mattress protector for liquid spills.

Specifications

Product type	Box spring encasement
Size	Split King - 39 in W x 80 in L (set of 2)
Depth compatibility	Fits box spring depths of 5 in to 8 in (low profile 6 in)
Material	Stretchable 100% polyester knit fabric
Care	Machine washable and dryable
Warranty	5-Year Limited Manufacturers Warranty
Closure	Zippered

Our Verdict

This box spring encasement is a practical choice for sleepers seeking a fabric, zippered barrier that protects against bed bugs and dust mites while remaining breathable and washable. It delivers good value for split king foundations within the specified depth range and is recommended for allergy-conscious households who want an easy-to-install, long-lasting solution.

Frequently Asked Questions

Will this fit my split king box springs?
The set is sized for split king box springs at about 39 in by 80 in each; check that each foundation depth is between 5 in and 8 in for proper fit.

Is the fabric plasticky or noisy?
No; the stretchable 100% polyester knit is reported to feel less plasticky and is quieter and more flexible than coated encasements.

Can I wash the encasement in a machine?
Yes, it is machine washable and dryable for easy care and ongoing allergen control.