Hot Sale Cool Summer Car Seat Cushion Cooling Mat Laptop Pet Dog Cat Ice Cushion Color Random Quantity 1 100% cotton and water-proof material, make you comfortable and cool in summer The ice crystals can maintain 10-hour hypothermia Thermostatic material, safety and durable and watertight The item contained ice crystals, you just need to pour water 700ml inside, permanent use Perfect for car, long drives or for us on bus or travel by train