1. Material: PVC 2. Capacity: 500ml 3. Explosion-proof and anti-leakage liquid, thickened insulation 4. Threaded screw cap, good sealing 5. Enlarged water injection port design, convenient to add water, prevent scalding 6. Removable inner liner, cloth cover can be washed separately 7. Size: 500 ml 13x21 cm; 1000 ml 16x25 cm; 2000 ml 19x31 cm 8. Weight: 500 ml 155 g; 1000 ml 215 g; 2000 ml 335 g
