... easy to clean,safe and durable. Usage:1.Pillow cushion,bed cushion——No electricity need ,keep cool naturally ,easy to ... relaxing sleep at the summer night! 2.Household cushion,sofa cushion,office chair cushion——Simplicity and decency design, rigorous cutting technology,both ... seat at one place,there must be much uncomfortable of hip,ice pad can relieve these uncomfortable effectively ,including trouble ...