Protect your mattress while making it incredibly comfortable with this 550-fill-power mattress pad that's light, plush and easy to wash. The soft cotton sateen is double stitched around the fluffy down to keep the fill in place. It also has a continuous elastic hem that hugs your mattress like a fitted sheet. Lined, with down fill 100% cotton Dry clean or machine wash, line dry Imported OEKO-TEX®-certified materials free of harmful substances