SonnoRx Premium Dupont Hollofil II Plush Easy Care Pillow, Queen Size-Set of 2 Design: Single Chambered design is ideal for back and side sleepers Fill: 100% Dacron Polyester 4-Hole Hollo Fiber Firmness: Medium Made In The U.S.A and Back by a 2 Year Ltd. Manufacturers Warranty Hypo Allergenic: Provides a clean and healthy sleep surface