Material: 92% polyester + 8% spandex
Single: 90-140cm, 28 * 23 * 9cm
Double: 140-185cm, 30 * 25 * 9cm
Three people: 185-230cm, 32 * 28 * 9cm
Four people: 230-310cm, 33 * 30 * 10cm

Note: It includes pillowcase