Made from quality memory Foam, this cushion takes the pressure off your back while, you sit in any chair. Ultra-thick, spongy and contoured, the“cut-out” design suspends your tailbone that helps ease discomfort as you read, relax or watch TV . . And with a breathable Bamboo cover, it keeps you comfortably cool on warm days too. Removable / washable cover. Measures: 35cm L x 44cm W x 7.5cm thick.