California King Mattress Protector











            Looking to protect your California king bed? California King mattress protector covers are the way to go! They're able to rescue your entire mattress investment from the inevitable accidental liquid spills and stains. They can also impart your Cal king bed's surface with a much more comfy texture for a better night's sleep!

            When it comes to the best Cal king-size mattress protector, look no further than Turmerry! Our protectors bear the finest eco-friendly make and materials, offering the ultimate protection to keep your Cal king-size mattress clean. We also offer same-day fast and free shipping for all our USA customers!

            Organic Waterproof Mattress Protector


            Wool Waterproof Mattress Protector Pad


            Excellent Quality California King Mattress Protector

            Certified, Eco-friendly, and Safe!

            To make sure you get a healthy night's sleep, we use sustainable, eco-friendly materials, such as GOTS-certified organic cotton, in our Cal king mattress protectors. The Global Organic Textile Standard (GOTS) certification ensures that our California king mattress protector is made from safe, organic materials, free from harmful levels of chemicals often found in conventional bedding. Moreover, it bolsters their quality and durability, so what you're getting is the best of the best!

            GOTS certified best seller California king mattress cover

            Beneficial in More Than One Way!

            Besides being certified and safe for human health, our California king-size mattress protector can provide many more benefits. Here are all the ways in which you can enjoy truly comfortable sleep with us and our bedding -

            Softly Cushioning

            Softly Cushioning for worry free night long

            As it keeps your mattress dry, the unbleached, GOTS-certified organic cotton that makes up the core of our California king waterproof mattress protector imbues your Cal king bed's surface with a wonderfully soft texture. Run your hands through the cotton, and you'll be able to feel it sliding smoothly against your fingertips!

            Snug Fit

            Snug Fit in home like a fitted sheet

            Boasting 15-inch deep pockets with elastic running all around, these protectors ensure a snug and secure fit for every standard mattress size, including California king. The sides, crafted from organic cotton canvas, are designed to minimize slipping.

            Waterproof Barrier

            Best waterproof mattress protector for great price and reviews

            Our California king waterproof mattress protector covers feature a top layer made from soft organic cotton jersey fabric, seamlessly laminated with non-hazardous, phthalate-free polyurethane on the back. Meeting certification requirements, this construction creates an impermeable waterproof layer against liquids.

            Refreshingly Breathable

            Breathable fabrics product for hot sleeper to sleep cool

            No more sweaty nights - our waterproof mattress protector is brilliantly breathable, making it suitable for year-round use. We've struck the perfect balance by allowing a controlled amount of water vapor, akin to the natural humidity in the air, to pass through.


            Noiseless unlike most mattress and pillow protectors

            No more crinkling sounds or disruptive rustling as you move in bed—our protector ensures silent nights that let you sink into restful sleep undisturbed!

            Free Shipping

            Convenient Free Shipping for premium mattress protector

            From the East Coast to the West Coast and beyond, we offer free shipping for all of our continental US customers!

            Environmentally Benefitting

            Environmentally Benefitting waterproof mattress protector

            With materials like GOTS-certified organic cotton, we make sure our waterproof mattress protector is not just beneficial for you but also for the environment. We do not use any vinyl/PVC, perfluorinated compounds (PFCs), sweaty rubber, toxic flame retardants, or pesticide treatments/sprays that could pollute your bedroom environment.

            Easy Cleaning

            Good housekeeping with machine wash and mild detergent

            For minor spills, a simple spot clean with a mild anti-bacterial soap does the trick. If a thorough cleaning is needed, toss it in the washing machine with a bio-degradable laundry detergent. Feel free to use non-chlorine bleach if necessary. Forget about the hassle of dry-cleaning – simply tumble dry or air dry.

            Allergy Friendly

            Allergy Friendly protector from other allergens, dust mites, bed bugs

            Our waterproof mattress protector isn't just a shield against liquids and moisture; it's a barrier against allergens, pet dander, and dust mites. It's not just for adults; it's also an ideal solution for keeping your kids' beds clean and allergen-free!

            Top of the Line: Turmerry Waterproof Mattress Protectors

            At Turmerry, we offer two different waterproof mattress protector types, each with its own unique materials and features. See which one you'll love more!

            • Organic Waterproof Mattress Protector

            Organic Waterproof Mattress Protector

            The Organic Waterproof Mattress Protector is crafted from soft organic cotton jersey fabric and features a laminated backside with non-hazardous, phthalate-free polyurethane. A successful water-spill experiment on it showed no absorption even after 24 hours! It offers year-round comfort, is breathable, and prevents sweaty nights. The secure fitment, with 15-inch deep pockets and elastic running all around, ensures easy application and removal.

            • Wool Waterproof Mattress Protector Pad

            Wool Waterproof Mattress Protector Pad

            At 0.25" thickness, the Wool Waterproof Mattress Protector Pad is crafted with OEKO-TEX certified cotton percale fabric, non-hazardous, phthalates-free polyurethane, and Shropshire sheep wool filling. It is a fully waterproof material. Furthermore, wool's natural thermo-regulating, moisture wicking properties make it breathable for year-round comfort. With 18-inch-deep stretchable pockets and elastic running all around, our pad provides a secure fitment for various mattress sizes.

            Top of the Line: Turmerry Mattress Topper Covers

            To make your California king mattress more secure, a California king mattress topper is a must. And to complete the protection circle, mattress topper covers can work wonders!

            • Zippered Mattress Topper Cover

            Cal king Zippered Mattress Topper Cover

            Crafted with a 140 GSM organic cotton cover and featuring a practical zipper, the Zippered Mattress Topper Cover seamlessly works with most toppers from various brands and sellers. Not only does it offer protection from outside impurities, but it can also impart a soft texture to your topper's surface. Available in 2" and 3" styles, the cover fits mattress toppers of corresponding thickness.

            • Deluxe Zippered Mattress Topper Cover

            Cal king Deluxe Zippered Mattress Topper Cover

            The Deluxe Zippered Mattress Topper Cover is proudly made in the USA by Turmerry. Crafted with organic cotton fabric, it provides an additional layer of softness while acting as a protective barrier against general wear and tear. The stretch knit ticking fabric and 4 oz. muslin non-slip backing ensure a secure fit for toppers of 2" and 3". The all-around zipper design accommodates both latex and memory foam toppers.

            Top of the Line: Turmerry Mattress Pads

            Want a little something more to complement your waterproof mattress protector? Then you must take a look at our Reversible Fleece and Cotton/Wool Quilted Mattress Pad!

            • Reversible Fleece And Cotton/Wool Quilted Mattress Pad

            Cal king Reversible Fleece And Cotton/Wool Quilted Mattress Pad

            With a luxurious 1" thickness, the Reversible Fleece and Cotton/Wool Quilted Mattress Pad is a stylish addition to your bedding ensemble. This reversible mattress pad has two layers/sides. One side is adorned with plush fleece, and the other side showcases a delightful cotton/wool quilted pattern. The natural fine washable wool fleece on one side offers warmth in winter, while the 270 TC natural cotton percale on the other side keeps you cool in summer.

            California King Mattress Protector FAQs

            1. Do mattress protectors really work?

            Yes, mattress protectors do work, and their effectiveness often depends on the quality of the protector. Turmerry's premium organic waterproof mattress protector covers, crafted from high-quality materials, provide one of the best solutions for maintaining a mattress in optimal condition.

            waterproof mattress protector works for memory foam mattresses
            1. Is it worth getting a mattress protector?

            Absolutely. Investing in a mattress protector is worth it to safeguard your mattress from spills, stains, and potential damage. Turmerry's waterproof mattress protectors not only offer reliable protection but also fit various mattress depths and have the added benefit of being organic, ensuring a healthier sleep environment.

            stain resistant mattress protector purchase
            1. Are mattress protectors fully waterproof?

            A good-quality mattress protector is designed to be completely waterproof, standing guard against all liquids and spills. They typically utilize waterproof materials or coatings, such as polyurethane, to create an impermeable barrier. This barrier prevents bed bugs, water, skin sweat, dead skin cells, spills, and even bodily fluids from potentially damaging the mattress.

            stain resistant waterproofing with vinyl protectors
            1. Should you put a waterproof mattress protector on your bed?

            It's generally a good idea to put a waterproof mattress protector on your bed, as it's an affordable bedding accessory that can ward off a lot of the impurities in the environment, aiding the mattress's integrity in the long run.

            Cost friendly body protector on California king bed
            1. Are mattress protectors machine-washable?

            Yes, many mattress protectors are machine-washable. It's essential to check the care instructions provided by the manufacturer, as washing recommendations may vary. In general, most protectors can be laundered in cold or warm water, and some may be tumble-dried on low heat or air-dried.

            Thin softer woven machine washed sheets
            1. Can a waterproof mattress protector be used with other bedding items like mattress toppers?

            Yes, a waterproof mattress protector can be used in conjunction with other bedding items, including mattress toppers. In fact, using a protector with a mattress topper is a great way to safeguard both the topper and the mattress beneath. Look for protectors with features like deep pockets or elastic bands that can accommodate the added height of a mattress topper.

            mattress cover with elastic bands
            1. How do I know if a waterproof mattress protector fits my mattress size?

            To ensure a proper fit, check the dimensions of your mattress and compare them with the sizing information provided by the waterproof mattress protector. Most protectors come in standard Twin sizes (twin/twin XL protectors), Full sizes, Queen sizes, and King sizes (king/Cal king/split king protectors).

            check the dimensions of your entire mattress
            1. How deep should a waterproof mattress protector be?

            Choose a waterproof mattress protector with a depth that exceeds the thickness of your mattress by a few inches. Standard mattress protectors usually accommodate mattresses with depths ranging from 9 to 18 inches.

            smooth mattress cover that perfectly fits
            1. Can mattress protectors protect against allergens?

            Mattress protectors can play a crucial role in safeguarding against allergens. A high-quality waterproof mattress protector acts as a barrier, preventing common allergens like dust mites, pet dander, and pollen from settling into the mattress. This can be particularly beneficial for individuals with allergies or sensitivities, as it helps maintain a cleaner sleep environment for much healthier sleep.

            machine wash mattress cover against allergens
            1. How often should I replace my waterproof mattress protector?

            The lifespan of a waterproof mattress protector depends on factors such as its quality, usage, and care. On average, it is recommended to replace a waterproof mattress protector every 5 to 7 years. Over time, protectors may experience wear and tear, impacting their effectiveness in guarding against spills, allergens, and general wear.

            Removing stain resistant mattress cover after life span
            1. How much should I spend on a mattress protector?

            You can find mattress protectors across a wide price range, starting as low as $30 and going up to $300 or more for higher-end options. The price can rise as per the specific features you need (such as waterproofing, breathability, or allergen protection) and the quality of materials.

            mattress protector with dollar signs
            1. Which is the best mattress protector to buy?

            An organic cotton waterproof mattress protector can be a great fit. Its waterproof and organic design protects your mattress from spills, damage, and wear and tear without making it hotter or less comfortable.

            regular organic cotton mattress cover

            When selecting a mattress protector, it's essential to consider factors such as the reputation of the brand, choosing the right size and depth for your mattress, preferred materials (e.g., organic cotton), features like breathability, and certifications such as OEKO-TEX Standard or GOTS for ensuring high-quality standards.

            tested by OEKO-TEX Standard or GOTS label
            1. Do mattress protectors come with a warranty?

            Most high-quality mattress protectors come with a warranty to guarantee their durability and performance. The duration of these warranties can vary among brands and models, ranging from one year to several years. At Turmerry, we offer a 1-year warranty for our premium mattress protector covers.

            Turmerry warranty
            1. Do mattress protectors work for other mattress sizes?

            You can find Crib mattress protectors for crib beds, Twin mattress protectors for twin beds, Twin XL mattress protectors for twin XL beds, Full-size mattress protectors for full beds, Queen mattress protectors for queen beds, and King mattress protectors for king beds.

            mattress sizes
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