puredown Microfiber Down Alternative Mattress Pad White King Premium down alternative mattress pad with 100% premium hypoallergenic fiber filling. This high quality mattress pad can assist users who are allergenic to down and feather with their sleep Microfiber design, super stretch skirt fits up to 15 in deep mattress Inner Filling: 100% Polyester Item size: 78*80*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