ONLY COVER: Only the waterproof cover for mattress topper, foam not in cluded, the dimensions is 79in x 38in x 2in FULLY WATERPROOF: Zenzy waterproof mattress protector features a waterproof TPU membrane backing that protects your mattress from all spills, stains and accidents HEALTHIER SLEEP: Zenzy mattress topper cover is not only luxuriously soft but also highly breathable, promoting deeper and quicker onset of sleep. Certified by OEKO-TEX Certification No. 17.HCN.13316 NON-SLIP: The rubberized bottom and adjustable elastic strap allow for mattress depths of up to 18 inches, ensuring the topper remains securely in place EASY TO CLEAN: This mattress cover is machine washable and suitable for low speed tumble drying, offering convenient maintenance