1. Lining material: rubber, silicone, PVC 2. Jacket material: polyester/acrylic 3. Capacity: 2L 4. Features: even heat dissipation, durable insulation, durable, leak-proof, explosion-proof 5. Using environmentally friendly silicone material, anti-aging, hot and cold dual-use 6. Thickened explosion-proof, safe and environmentally friendly 7. Long shape design, suitable for all parts of the body, easy to use 8. A variety of styles, you can choose according to preference 9. Product size: 72 x 12 cm 10. Product net weight: 520g / piece