1. Product: Water injection hot water bottle 2. Material: Rubber + Plush 3. Size: 11 x 18.7cm 4. Capacity: 350ml 5. Insulation: about 4-8 hours 6. Tips - Please do not inject boiling water, it is easy to pour out when pouring water, causing safety hazards - The holding time is related to the ambient temperature. The above holding time is for reference only. - The water injection volume should not exceed 2/3 of the hot water bottle capacity, and the excess air should be discharged at the same time 7. Instructions for use - Push the bottom of the hot water bottle into the cloth cover - Close the back opening - Fill 2/3 of hot water, be careful when filling, to avoid burns - Empty excess air from hot water bottle after filling - Tighten the nuts with appropriate strength, do not use excessive force to prevent slipping 8. Package include: 1 x Warm bag
