1. Soft fabric, leak-proof and pressure-resistant, easy to clean 2. Pressure-proof and explosion-proof, thick plush bag 3. Environmental protection material, health and safety 4. Long-term insulation, multi-layer protection 5. With striped texture, even heat dissipation and non-slip 6. The sealing adopts screw design, which has strong sealing performance and good heat preservation effect 7. Applicable parts: warm hands, feet, palace, stomach, shoulders and necks, joints, legs, dampness and cold 8. Capacity: 500ml 9. Material: high density PVC 10. Size: 20x12.5cm 11. Weight: 120g