DreamHome Indoor/Outdoor Chair/Seat Cushion/Stadium Seat Pad Ties: Weather Resistant, 15" x 15", Square (Gray) Weather Resistant Outdoor Chair Pad Size with Ties Square Shaped 15" x 15" Size, 1" Thick Each Pad comes with Two (2) set of 9" Long ties to securely hold your cushion in place UV-Ray Fade Resistant Material. Water, Mildew and Stain Resistant. Durable Polyester Material, Inside and Out. Material: 100% Polyester. Care: Spot Clean Only