California King Waterproof Bamboo Mattress Protector - Deep Pocket Fit

In this review of the California King Mattress Protector from Softhour, the bottom line is simple: this cover is for shoppers who want a soft, breathable waterproof layer that tucks securely over very deep mattresses. The product stands out because it combines a bamboo-rayon surface with polyester backing to deliver a quiet, soft feel while protecting against spills and pet hair. It is best for people who need a deep pocket up to 21 in and prefer a washable, low-maintenance protector with clear care guidance and a 90-day return window.

Key Features

• Waterproof protection: The protector guards the mattress from spills and accidents so the mattress stays clean and serviceable longer.
• Bamboo-rayon surface: The 40% rayon made from bamboo provides a soft, cooling touch that customers note does not make them hot at night.
• Deep fitted pocket: Elasticated fit accommodates mattresses with depths from 5 in up to 21 in, keeping the cover securely in place.
• Noiseless construction: The materials and build minimize crinkling so sleepers are not disturbed by fabric noise.
• Machine washable: The protector can be washed under 30C and tumble dried low for easy care without special handling.
• Customer support: A 90-day full return or replacement policy provides reassurance if the product does not meet expectations.

Who It's For

This protector is ideal for anyone with a California King mattress who wants a combination of breathability and moisture defense, especially households with children or pets where spills and hair are a concern. The soft bamboo-rayon face will appeal to sleepers who prioritize a cloth-like, cooling surface rather than a plasticky covering.

Those with slimmer mattresses or shoppers seeking advanced allergen-barrier encasements should look elsewhere; this product emphasizes comfort and waterproofing rather than full allergen sealing or medical-grade materials. Shoppers who require high-heat laundering or ironing should note the care limits listed by the brand.

Pros & Cons

Pros

• Soft, breathable bamboo-rayon blend that helps with cooling and comfort.
• Deep elasticated fit that accommodates up to 21 in mattress depth for secure coverage.
• Effective waterproofing and good value for protecting the mattress from spills and pet hair.
• Easy care with machine wash and tumble dry on low, plus a 90-day replacement policy.

Cons

• Care instructions limit washing temperature and prohibit ironing or dry cleaning, which may be restrictive for some users.

Specifications

Size	California King (72 in x 84 in)
Material	40% rayon made from bamboo, 60% polyester
Fit type	Elastic fitted, deep pocket (up to 21 in)
Protection	Waterproof mattress protector
Care	Wash under 30C, tumble dry low; do not iron, dry clean, or bleach
Noise	Noiseless construction
Warranty/Return	90-day full return or replacement

Our Verdict

The California King Bamboo Mattress Protector is a strong choice for buyers who want a soft, cooling-feel waterproof cover that fits deep mattresses and tucks in securely. It delivers reliable mattress protection and comfort at a reasonable value, with straightforward care instructions and a 90-day return policy that removes some purchase risk.

Frequently Asked Questions

Will this fit a 20 in mattress?
Yes. The protector has an elastic fitted design that accommodates depths up to 21 in for a snug fit.

Is the surface hot to sleep on?
No. The 40% rayon from bamboo face is noted for softness and cooling properties, and customers report it does not make them hot.

How should I wash it?
Wash under 30C and tumble dry on low; do not iron, dry clean, or bleach to preserve the waterproof layer.