Deep Pocket Elastic Fits Up To 21'', Breathable Soft Alternative Filling 100% WATERPROOF: Our king size mattress protector have an upgraded TPU membrane to provide waterproof protection. This layer protects your expensive mattress from body fluids like sweat, urine, and accidental spills. Our king mattress pad is ideal for elders, periods, pets, bedwetting, etc. No more frustration about accidents happening. ULTRA-SOFT BREATHABLE: The king waterproof mattress pad has a diamond quilted top that makes the pad more supportive and durable. It not only prevents the filling from running out but also increases circulation to reduce the heat and moisture of your mattress. COMFORTABLE NOISELESS: The king mattress pad are silent and comfortable. The high-quality microfiber surface brings a soft touching feeling to provide superior comfort. When you sleep on our quiet waterproof mattress pad, you won't hear loud plastic noise like other products. FITTED SHEET STYLE: King size mattress cover waterproof (78?x80?) with a durable elastic band perfectly fits the mattress 8-21" in depth and hold your mattress tight. The deep pocket design is easy to install and remove. When accidents happen, the mattress pad will stay in every corner without any slides. MACHINE WASHABLE: Easy to clean with cold water on a gentle cycle, and tumble dry low to extend product service life. Do not iron and bleach. The mattress pad can be used in homes, hotels, hospitals, dorms, etc. We offer a 90-day full refund with no questions asked and 24-hour customer service.