GRT Cal King Size Grey Quilted Fitted Mattress Pad - Waterproof
GRT Cal King Size Grey Quilted Fitted Mattress Pad - Waterproof
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In this review the GRT Cal King Size Grey Quilted Fitted Mattress Pad is examined for families and anyone wanting a washable, protective mattress layer. The bottom line: this protector is best for people who need a waterproof mattress protector that still feels soft and breathable. It stands out because the surface microfiber and alternative hollow cotton filling create a comfortable sleeping surface while a TPU backing delivers reliable fluid protection and OEKO-TEX certification reassures buyers about chemical safety.
Key Features
- Surface Microfiber: The soft microfiber top provides a plush, quiet feel that improves initial comfort without changing mattress firmness significantly.
- Alternative Hollow Cotton Filling: The breathable hollow cotton filling adds loft and a fluffy finish that helps regulate surface temperature and cushions pressure points.
- Waterproof TPU Backing: A water-resistant TPU membrane on the back protects the mattress from sweat, spills and urine while remaining flexible and vinyl-free.
- OEKO-TEX Certified: Certified to OEKO-TEX standard 100, the pad is made from premium fabric without added harmful chemicals, which is suitable for children and sensitive sleepers.
- Deep Fitted Design: The fitted skirt accommodates mattress depths from 8 in to 26 in, making it compatible with a wide range of mattress and topper combinations.
- Machine Washable: The pad can be cleaned in a gentle machine cycle and dried on low heat or in the sun for straightforward maintenance.
Who It's For
The GRT Cal King protector is ideal for parents, pet owners, and anyone who needs a protective layer that does not feel like a medical cover. Its soft quilted top and hollow cotton filling make it suitable for sleepers who want protection without sacrificing comfort. The OEKO-TEX certification also makes it a good option for households concerned about fabric safety.
It may be less suitable for buyers who require absolute noiselessness in every situation or for those seeking an ultra-thin, barely noticeable pad; some customers reported mixed impressions about thickness and occasional noise depending on mattress type. If maximum invisibility is the priority, test fit and feel before committing.
Pros & Cons
Pros
- Soft, quilted microfiber top offers added comfort and a quieter feel than vinyl covers.
- OEKO-TEX certification ensures the pad is free from certain harmful chemicals.
- Deep fitted skirt fits mattresses from 8 in to 26 in, accommodating thicker mattresses and toppers.
- Machine washable for easy care and long-term protection of the mattress.
Cons
- The waterproof layer performed well for many customers but some reported issues with durability of the waterproofing over time.
- Thickness and minimal noise level received mixed feedback; certain mattress types may reveal slight crinkle from the backing.
Specifications
| Size | Cal King |
| Surface | Microfiber |
| Filling | Alternative Hollow Cotton |
| Backing | Waterproof TPU membrane |
| Fit depth | Fits 8 in - 26 in mattresses |
| Certification | OEKO-TEX Standard 100 |
| Care | Machine wash gentle; dry low heat or sun (do not exceed 45C) |
Our Verdict
The GRT Cal King quilted fitted mattress pad offers a solid balance of waterproof protection and comfort at a sensible price, making it a smart pick for families and sleepers seeking chemical-safe, washable coverage. It is good value for those who want a deep-pocket, soft protector; buyers who need absolute silence or long-term heavy-duty waterproofing should weigh reported mixed experiences.
Frequently Asked Questions
Is this pad truly waterproof?
The pad has a TPU membrane backing that protects against sweat and spills, and many users find it waterproof; however, a few reported durability issues with the waterproof layer over time.
Will it change how my mattress feels?
The microfiber top and hollow cotton filling add a soft, slightly fluffy layer but do not significantly alter mattress firmness.
How should I launder the protector?
Machine wash on a gentle cycle and dry on low heat or in the sun; avoid exceeding 45C to protect the TPU backing.
Editor's Take
The GRT Cal King quilted fitted mattress pad delivers washable, OEKO-TEX certified waterproof protection with a soft, breathable microfiber top and deep pockets, offering good value for families and sensitive sleepers while a few buyers noted mixed long-term waterproof durability.

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