From J. Queen New York, this mattress pad features: Cotton top Allergen-barrier sleep surface to guard against dust mites, pet dander, pollen, and other allergens Hypoallergenic ultra lofty fiberfill Constructed with all-around channeling and wavy quilting for a smooth cozy sleep surface Overfilled with down-like fiber for luxurious softness and breathability 4-way deep pocket stretch skirt can fit up to approx. 21" mattress Main: 233-thread count cotton  Reverse: Polyester Fill: Polyester Construction: Wavy quilting with approx. 15" stretch skirt fits up to approx. 21" mattress Fill weight approx. 12-oz. Twin approx. 39" x 76" Twin XL approx. 39" x 80" Full approx. 54" x 76" Queen approx. 60" x 80" King approx. 78" x 80" California King approx. 72" x 84" Hypoallergenic Care: Machine wash cold Imported. J. Queen New York Royalty 233 Thread Count Mattress Pad (Not Waterproof)