RV King Zippered Mattress Protector - Waterproof Encasement for RV

In this review of the RV King Zippered Mattress Protector, the bottom line is simple: it is for RV owners or anyone with an RV King size mattress who wants a full, six-sided barrier against spills, dust and bedbugs without sacrificing comfort. The standout reason to buy is the full zippered encasement design with a Velcro zipper seal that promises complete coverage and peace of mind. The cover feels soft under sheets, fits deep mattresses, and aims to combine waterproof protection with hypoallergenic materials for allergy relief.

Key Features

• Six sided zippered encasement: Completely encases the mattress on all sides so contaminants and pests cannot penetrate the surface.
• Waterproof lining: A polyurethane inner layer blocks liquids and moisture, protecting the mattress from spills and accidents.
• Velcro zipper seal: The zipper is secured with a Velcro seal to help prevent gaps and keep the encasement fully closed.
• Comfortable, noiseless fabric: Stretchable polyester surface is breathable and designed to be soft and quiet under sheets so it does not crinkle during use.
• Durable construction: Multiple polyester linings around the zipper seam add reinforcement for long-lasting performance and machine washability.
• Deep mattress fit: Built to fit RV King mattresses 12 to 16 in deep for a snug, full encasement.

Who It's For

This protector is best for RV owners, pet owners, parents, or allergy sufferers who need a full, secure barrier for an RV King size mattress. It suits anyone who wants a washable, waterproof layer that fully encases the mattress and seals against bedbugs, dust mites and spills.

People who prefer a simple fitted protector rather than a full encasement, or those who require specialized cooling fabrics beyond standard polyester and polyurethane, may want to consider other options. Also, buyers who prioritize an ultra-heavy-duty zipper system should note user feedback that zipper performance received mixed impressions.

Pros & Cons

Pros

• Full six-sided zippered design offers comprehensive mattress protection and pest prevention.
• Waterproof polyurethane lining keeps liquids out and helps preserve the mattress interior.
• Soft, stretchable polyester surface is comfortable and largely noiseless under sheets.
• Machine washable and made to fit deeper RV King mattresses for easy maintenance and consistent fit.

Cons

• Some customers reported mixed experiences with zipper quality, so careful handling is advised.
• A few reviews gave mixed comments on waterproof performance in extreme conditions, so expect standard residential protection rather than industrial flood resistance.

Specifications

Our Verdict

The RV King Zippered Mattress Protector is a practical, value-oriented choice for RV owners and allergy sufferers who need a full encasement that combines waterproof protection with a hypoallergenic barrier. It fits deep mattresses, feels soft under sheets, and offers peace of mind against spills and pests; just handle the zipper with care and expect good residential protection rather than industrial-level waterproofing.

Frequently Asked Questions

Will this fit an RV King mattress that is 14 in deep?
Yes. The encasement is designed to fit mattresses from 12 to 16 in deep, so a 14 in mattress will be within the specified range.

Is the protector noisy under sheets?
The polyester surface is made to be stretchable and quiet; most users find it soft and largely noiseless under bedding.

Can the cover be machine washed?
Yes. The protector is machine washable for easy cleaning and ongoing use.