King measures 78'' x 80''. Perfect for any Mattress: Keep your expensive mattress in perfect condition! Our mattress protector is designed for all types of mattresses including latex, memory foam, and innerspring. Our zippered mattress protector comes with a zipper that zips around the entire mattress so that both top and bottom are covered, it's stretchable and secured by a protected zipper. WATERPROOF AND NOISELESS: Our waterproof mattress cover repels water and any type liquids including accidental spills and bodily fluids such as sweat or urine, which makes a clean/healthy sleeping environment. It's the Perfect choice for nursing sick kids, potty training and if you have pets in your home. It is also noiseless and makes zero sound. It is completely silent and makes no crinkling sound when you move on your bed! Ultra Soft Breathable Material: Our mattress toppers are made from the finest quality pure bamboo with a small combination of polyester to create the most durable and Ultra soft fabric that will always keep you comfortable. The bamboo surface is relatively more softer, smoother, and breathable. With the new bamboo cooling material technology, our mattress protectors provide a cooling effect that distributes heat evenly and regulates body temperature so you can have a cool sleeping environment. Easy Care Instructions - Our Mattress protectors are very easy to maintain. Machine wash cold separately on gentle/delicate cycle. Tumble dry on low. Do not bleach. Do not dry clean. As you sleep your body gives off heat and sheds old skin and hair cells, creating an atmosphere inside your mattress that is warm, humid and rich in decaying organic matter, that's why our Premium Mattress Protector is specifically designed to prevent these issues from affecting your health. This will keep you healthy, clean and fresh after a long night's sleep. The fabric on this protector will provide you heavenly comfort and its layers will protect your mattress from any liquids. Made of premium polyester microfiber and polyurethane lining, bring you a soft & silky feel of nature. Also it comes with a zipper to keep the mattress 100% protected from all angles and do not worry about the cleaning because you can easily wash it with no trouble or headache.