Hot water bottle bag designed for water injection. Provides insulation for 4-8 hours.
Product type: Hot Water Bags
Compatibility: Water injection hot water bottle
Material: Rubber + Plush
Size: 11 x 18.7 cm
Capacity: 350 ml
Insulation: about 4-8 hours
Tips: Do not inject boiling water; excess air should be discharged; holding time varies with ambient temperature
Instructions: Push the bottom into the cloth cover; close the back opening; fill 2/3 with hot water; empty excess air; tighten nuts with appropriate strength
