GOONIK California King Mattress Protector - Cooling, Waterproof Cover

In this review the GOONIK California King Mattress Protector earns its place for sleepers who want a soft, breathable cover that also shields a mattress from spills and accidents. The standout reason to buy is its combination of breathable bamboo viscose fabric and a double TPU membrane that provides quiet, reliable waterproofing while staying noticeably cooler than cotton terry options. It is aimed at families, new parents, pet owners and anyone seeking a protected but comfortable sleep surface.

Key Features

• Super soft bamboo viscose: The cover uses natural bamboo viscose for a silky, cooling feel that reduces heat retention compared with heavier terry protectors.
• 3D air fabric and noiseless quilting: Thicker, evenly distributed filling promotes airflow and eliminates crinkling noises for undisturbed sleep.
• 100% waterproof double TPU membrane: An advanced dual-layer membrane blocks liquids, sweat and spills from reaching the mattress while remaining flexible.
• 360 deep pocket fit: An all-around high-rebound elastic skirt fits mattresses up to 18 in deep to stay secure like a glove.
• Machine washable durability: The protector is washable at temperatures under 104F and rated to withstand 100+ machine washes when cared for properly.

Who It's For

The GOONIK California King protector is ideal for families with children, new mothers, pet owners and anyone who needs a cool, comfortable mattress cover that repels moisture without the crinkle of older protectors. The soft bamboo surface makes it a good choice for sleepers who prioritize a gentle, breathable top layer and reduced heat retention.

Sleepers seeking an ultra-thin, invisible waterproof shield or those who require hospital-grade encasement for allergy control may want to compare specialized encasements. Also, users who routinely launder at very high temperatures should note the recommended wash limit under 104F to preserve the TPU membrane.

Pros & Cons

Pros

• Soft and cooling bamboo viscose surface improves sleep comfort on warm nights.
• Noiseless 3D quilting prevents the typical crinkle and helps distribute fill evenly.
• Reliable waterproof protection from the double TPU membrane for spills and accidents.
• Deep 360 elastic skirt fits mattresses up to 18 in, staying secure under sheets.

Cons

• Some customers report mixed experiences with waterproofing in extreme wetting situations, so heavy soaking may still be a concern.
• Care instructions limit washing temperature and prohibit ironing, dry cleaning or bleach, which requires attention when laundering.

Specifications

Our Verdict

The GOONIK California King Mattress Protector is a practical, value-oriented choice for those who want a cooler, softer waterproof cover without the usual crinkle. It suits families, pet owners and anyone prioritizing comfort and mattress protection, offering durable fit and easy care when laundered per instructions.

Frequently Asked Questions

Is this protector truly waterproof?
The protector uses a double TPU membrane to block liquids and moisture, providing reliable protection for everyday spills and bedwetting; very heavy soaking may still be noticeable.

Will it fit an 18 in deep mattress?
Yes, the 360 all-around elastic skirt is designed to fit mattresses up to 18 in deep and hold the cover securely.

How do I wash it?
Machine wash under 104F, tumble dry on low; do not iron, do not dry clean, do not bleach to protect the TPU membrane and fabric.