Hanherry 100% Waterproof Mattress Protector California King - Cooling

In this review of the Hanherry 100% Waterproof Mattress Protector California King, the bottom line is simple: this cover is for anyone who needs reliable liquid protection without sacrificing comfort. The reviewer found the standout reason to buy is the combination of a fully waterproof TPU backing that remains breathable and noiseless, paired with a soft 3D air fabric surface that keeps the bed feeling cool and comfortable. It is especially useful for deep mattresses where a secure fit matters and for households that value easy laundry care and dependable spill protection.

Key Features

• Premium mattress cover: The top layer is designed to be cooling and skin-friendly while wicking moisture away to keep sleepers comfortable.
• 100% waterproof TPU backing: The backing repels liquids while letting air pass through so the protector stays breathable and remains noiseless during sleep.
• 3D air fabric: A soft, textured surface that improves the feel of the bed and reduces the plasticky sensation common to some protectors.
• Deep pocket fit: The elasticized 16 in pocket is built to fit mattresses up to 21 in and keeps the cover from shifting on thicker mattresses.
• Customer service support: The product includes a 30-day return or replacement service for buyers who need assistance or a resolution.

Who It's For

This protector is a good choice for owners of deep or California king mattresses who want a soft, cooling sleep surface while protecting the mattress from spills, stains, and everyday accidents. It suits families with children or pets, and anyone who prefers a quiet, breathable waterproof layer rather than a noisy, plastic-feeling encasement.

Shoppers who prefer a fitted pad with minimal added height and who plan to wash the protector regularly will appreciate its washability and quick drying. Those seeking an ultra-plush mattress pad or allergy-certified encasement for medical needs should consider specialized products instead.

Pros & Cons

Pros

• Soft and comfortable 3D air fabric improves sleep feel while remaining breathable.
• Reliable waterproof protection from the TPU backing keeps liquids away from the mattress.
• Deep pocket design fits mattresses up to 21 in and stays secure without bunching.
• Easy to wash and quick to dry, maintaining function after laundering.

Cons

• The protector adds a thin layer rather than significant cushioning, so it will not replace a mattress topper for added plushness.
• Information on specialized allergen or medical certifications is not provided in the product details.

Specifications

Brand	Hanherry
Size	California King
Waterproof Material	TPU backing
Surface Fabric	3D air fabric (cooling, soft)
Pocket Depth	16 in (fits up to 21 in)
Care	Machine wash; dries quickly
Customer Service	30-day return/replacement service

Our Verdict

For buyers who need a quietly waterproof, breathable protector that fits very deep mattresses, this Hanherry cover is strong value. It delivers dependable mattress protection without a plasticky feel, stays in place on tall mattresses, and cleans easily, making it a practical choice for families and anyone who wants to extend mattress life.

Frequently Asked Questions

Will this fit a 20 in mattress?
The elasticized 16 in pocket is designed to stretch and accommodate mattresses up to 21 in, so it will fit a 20 in mattress.

Is the protector noisy like vinyl?
No, the TPU backing is described as breathable and noiseless, and the soft 3D air fabric surface helps reduce any plasticky sound.

Can it be machine washed?
Yes, customers report it is washable and dries quickly while retaining its protective properties.