【Product Dimensions】The seat part is 41.3 x 21.7 x3 inches (W x L x H), the backrest part is 28.7 x 21.7 x3 inches (W x L x H). Pool lounge chair cushions come in vacuum packing,you can use a hair dryer to pluff them up and restore thickness 【Ergonomic Structure】Outdoor patio cushion is made of two parts splice, adjustable strap and non-slip tether can firmly adjust the cushion to a most comfortable position, easy to relieve fatigue 【Waterproof & Anti-fading】Removable lawn chair cushion selected waterproof and fading fabric, easy to clean and maintain as long as the clean cloth can be wiped, longer service life.Breathable fabric makes skin feel more comfortable 【Thickened high-rebound sponge】Patio furniture cushion is filled with thick sponge, comfortable and full ,not easy to deformation, can be easily recovered after sitting for a long time 【Widely used】You can use this outdoor replacement cushion in a variety of occasions such as swimming pool, garden, lawn, balcony, it will bring you comfortable and pleasant outdoor activities experience Outdoor Chaise Lounge Cushions for Patio, 71"x22"x3" Lounge Chair Cushions, Waterproof Replacement Seat Cushions for Outdoor Furniture