Product name: Back type sofa cushion. Production process: quilting, stitching and sewing. Safe and Environmentally Friendly: Chemical-free and environmentally friendly, it is very safe for children and pets.. Packaging accessories: built-in detailed installation instructions Adjustable, widened and thickened elastic fixing elastic band. One person size 58.4 cm (23 inches), weight 0.65G. Two-person size 116.8 cm (46 inches), weight 0.95G. 100% waterproof: made of quilted waterproof cloth, polyester filling, 100% waterproof non-slip cover, chemical-free and environmentally friendly, very safe for children and petsUpgraded non-slip design: Compared with ordinary waterproof sofa covers, our non-slip silicone rubber backing ensures that the sofa cover stays in place better. Adjustable elastic bands make it easier to adjust the sofa and perfectly match your various furniturePerfect protection: strong protection to prevent splashes, pet fur, stains and normal wear or possible damage and accidents, and keep your furniture clean and tidy. It is very suitable for families with children and pets. When you decorate your home with sophistication and ultimate elegance. . Washing machine: machine wash in cold water. . Wash separately in a gentle cycle and then dry at low temperature. Don't bleach.