Ice seat cushion can be used as seat cushion, mattress, ice bag. Aiming at lowering the ... of it is six times longer than water cushion in the present market. When the ice absorbs ... the environment lower than 25 degrees, the ice seat cushion will restore to frozen state automatically.6. It ... very convenient to use.Use scope:Ice seat cushion can be used as seat cushion, mattress, ice bag. Aiming at ...