Specification: 1. Dimensions: 35-36 37-38 39-40 41-42 43-44 45-46 2. Material: Tpu 3. Quantity: 1 (double) 4. Color: random Description: High-quality materials, soft fabrics Front palm massage, back palm support No need to charge, rapid heating, heating up to more than 10 degrees C, the effect of keeping warm is obvious, can be used repeatedly