Cute Hand Warmer Hot Water Bag Warm Cartoon Hot Water Bottle Water Injection Cold Small Soft Reusable Description: Material: High Density PVC Weight (including Packaging): 30 (g) Style: Creative Cartoon Additional Functions: Hot And Cold Dual Use Features: 1. No Leakage, Strong Sealing Performance, No Leakage When Shaken Violently, Threaded Sealing Plug Prevents Water Leakage 2. Upgraded And Thickened PVC, Safe And Water-proof 3. Safe And Explosion-proof, High Thermal Efficiency, Safe To Use, Long Life, Even Heating, Easy To Carry 4. It Can Be Used By Adding Hot Water, Safe And Environmentally Friendly 5. Even Heat Dissipation, Warm All Night, High Temperature Resistance, Corrosion Resistance, Sealed And Leak-free Package Included: 1pc*hot Water Bottle