Antislip Twin XL Bed Mattress pillow top Ultimate Comfortable Breathable, Noiseless Mattress Pad: cotton top TPU waterproof material bottom, 16 inches deep pocket fits 821" mattress. Twin XL: 39"x80"+16"(Pocket Deep) mattress pad Swiss Cooling Technology for waterproof mattress pad txl size As you sleep, cool breathable fabric responds to your body temperature, when you heat up. (turn on the air conditioner, if the weather is too hot) Water Proof Mattress Cover 60% cotton pillow top (The surface is not waterproof, the reverse side is waterproof) which can always help to keep your mattress in good condition. Our Point to this Waterproof Mattress Protection Cover We focus on customer satisfaction. We want you to be completely satisfied! Please do not hesitate to contact us with any questions or concerns. Easy to Clean and Perfect Quality for This TXL Mattress Pad waterproof Authorized Certification, TPU Certified by SGS. The mattress cover is MACHINE WASHABLEsoft, durable. All seasons general and costeffective. It NEVER shreds after several washes.