WATERPROOF SOFA CUSHION COVER FEATURES: Our Sofa cushion covers are all made of healthy, environmentally friendly and green polyester materials. Every cushion cover is stretch, anti-stain, thick and durable material. The appropriate thickness for protecting naughty kids from sharp things. Easy to clean and fast drying, means a lot to a young mom. SIZE: The thickness all cushion cover is 2-8 in. Large 1-seater Length 23.6 - 35.4 in; Width 23.6 - 35.4 in. 1-Seater Length 17.7 - 22.8 in; Width 17.7 -23.6 in. Large 2-seater Length 35.4 - 51.2 in; Width 23.6 - 35.4 in. 2-Seater Length 37.7 - 47.2 in; Width 17.7 - 23.6 in. Large 3-seater Length 55.2 - 63 in; Width 23.6 - 35.4 in. 3-Seater Length 57.1 - 72.8 in; Width 17.7 - 23.6 in. Large 4-seater Length 63 - 76.8 in; Width 23.6 - 35.4 in. 4-Seater Length 88.6 - 108.3 in; Width 17.7 - 23.6 in. Backrest Length 21.7 - 35 in; Width 9.8 - 17.7 in. Chaise-seat Length 61 - 73 in; Width 33.5 - 39.4 in. NOTE: Each sofa cushion cover represents a complete square or rectangular sofa cushion cover, rather than a combination of multiple. Be sure to measure the size of your sofa cushion before buying. We recommend choosing larger size than small size. Machine washable in cold, tumble dry low and do not bleach.