California King Jersey Knitted Zippered Mattress Encasement

In this review of the California King jersey knitted zippered mattress encasement, the bottom line is simple: it is for sleepers who need reliable, full enclosure protection without sacrificing feel. The reviewer found the cover best for owners of deep mattresses up to 16 in who want a truly waterproof mattress protector that also blocks dust mites and bed bugs. It balances practical protection with a soft, quiet surface so users do not feel like they are sleeping on plastic while keeping liquids and allergens out of the mattress.

Key Features

• Size & depth: Fits a California King mattress 72 x 84 x 15 and stretches to accommodate depths up to 16 in for a secure wrap around thick beds.
• Jersey knitted fabric: The polyester jersey knit gives a soft, breathable sleep surface that feels more like bedding than a plastic cover.
• TPU laminate: A TPU membrane provides complete liquid protection so spills and accidents will not penetrate to the mattress.
• Zippered full encasement: A nylon coil zipper seals the mattress fully to prevent bed bugs and dust mites from entering or escaping once closed.
• Hypoallergenic protection: The cover shields against dust, dirt, and dander to reduce nighttime allergy triggers.
• Easy care: The encasement can be handwashed or washed on a quick machine cycle and slips on and off without excessive hassle.

Who It's For

This encasement is aimed at people who prioritize mattress longevity and hygiene: parents, allergy sufferers, or anyone with a bed that needs full perimeter protection from spills, dust mites, and bed bugs. It is also a good pick for those who prefer a quiet, soft sleeping surface rather than a crinkly, plastic-feeling cover.

Shoppers who want an ultra-luxury fitted sheet feel or who demand multiple advanced features beyond waterproofing and encasement (for example, active cooling fabrics or separate topper protection) should look elsewhere. Also, if zipper durability under heavy, repeated use is a top concern, consider checking the zipper carefully on receipt since experiences vary.

Pros & Cons

Pros

• Soft, jersey knit surface that remains breathable and quiet during sleep.
• Full TPU waterproof barrier that protects against all liquid spills and accidents.
• Complete zippered encasement design supports bed bug and dust mite prevention.
• Fits deep mattresses up to 16 in and is straightforward to put on and remove.

Cons

• Zipper quality receives mixed feedback; some users report excellent durability while others had failures, so occasional zipper issues are possible.
• Not designed as a cooling or temperature-regulating cover beyond basic breathability.

Specifications

Brand	Guardmax
Material	Jersey knitted polyester with TPU laminate
Size	California King 72 x 84 in
Maximum depth	Fits to 16 in
Closure	Nylon coil zipper full encasement
Protection	Waterproof, bed bug proof, dust mite and hypoallergenic

Our Verdict

The California King jersey knitted zippered encasement is a practical purchase for anyone who wants complete waterproof and pest-proof coverage without a noisy, plastic feel. It offers clear value for owners of deep mattresses who prioritize mattress protection and allergy relief; just inspect the zipper on arrival if you plan heavy frequent removal and reinstallation.

Frequently Asked Questions

Will this fit a mattress thicker than 15 in?
Yes. The encasement stretches to fit mattresses up to 16 in deep.

Is the cover truly waterproof?
Yes. The TPU laminate is a full waterproof barrier designed to prevent liquids from penetrating to the mattress.

Does it stop bed bugs?
Yes. The full zippered encasement with a nylon coil zipper is designed to create a sealed barrier to block bed bugs and dust mites.