puredown Down Topper Fitted Quilted 100% Cotton Top and Bottom Down Alternative Mattress Pad, Full, White Shell: 100% Cotton. Stuffing: 100% Polyester Down alternative mattress pad's inner filling consists of 100% premium hypoallergenic fiber. This mattress pad can help users who are allergenic to down and feather fall asleep faster Cotton fabric with a jacquard design, hypoallergenic, overlock and super stretch knit skirt to fit up to an 18 in deep mattress Inner Filling: 100% Polyester Item size: 54*75*15" Mattress pad will be packed in a sealed PVC bag during delivery Down-alternative mattress pad wont trigger down-feather allergies, and can be safely and easily machine washed at home. For easy home care, simply machine wash warm and tumble dry low. From one cleaning to the next, this mattress remains wonderfully soft and fluffy