Add ultra-softness and a luxurious feeling to your mattress with our down alternative diamond quilted mattress pad. Features a 100% cotton sateen top with a waterproof breathable reverse providing you the ultimate protection against spills. The knit deep pocket skirt stretches to fit up to an 18" mattress. This mattress pad is also OEKO-TEX certified, meaning it does not contain any harmful substances or chemicals, ensuring quality comfort and wellness. Machine washable for easy care, this mattress pad is the perfect blend of comfort and protection 300 Thread Count 100% cotton sateen cover  Waterproof reverse  Hypoallergenic  Anti-microbial treatment for health and wellness down alternative fill  Classic diamond quilting  Deep pocket knit skirt fits up to 18" mattresses  Oeko-Tex Certified, includes no harmful substances or chemicals  Machine washable and steam iron for wrinkle removal  Comes efficiently compressed into one box that's easily shipped to your door; simply unbox, unroll and this mattress pad does the rest, expanding to its original shape within 72 hours  Placing a fitted sheet over your mattress pad helps keep it clean and prevent it from sliding or clumping up through the night    Features: Breathable, Deep Pocket, Waterproof Thread Count: 300 Bed Size: California King Mattress Depth: Up To 18 In Deep Base Material: 100% Polyester Care: Machine Wash Thickness: Thickness Not Provided Protection Level: Maximum Mattress Pads & Toppers Type: Mattress Pads Country of Origin: Imported