1.Material selection: The outdoor chair cushion with backrest is made of polyester, clean and environmentally friendly. They are easy to keep clean. The breathable outer material allows the cushions to dry easily. 2. Thick and comfortable: The chair cushion is made of thick cotton, natural, breathable, comfortable, warm, heatresistant and more durable. Easy to install: The cushions are easy to install and remove. 3.Longterm use: The hammock cushion is made of PP cotton, 15 cm thick, weight 2.4 kg. Soft and comfortable, good load capacity. Extra thick, it can protect your tail vertebrae and hip joint. 4. Modern design: suitable for both indoor and outdoor use. Gives your chair or terrace an elegant look, in the conservatory, screened room, porch and backyard. The modern design you more comfort for your chair.