thickened rubber water injection hot water bag explosion-proof leak-proof warm water bag hand warmer with cloth cover

Warm Tip: How to Use

  1. This product is filled with hot water for heating purposes. Please check the hot water bottle for signs of aging or cracking before each use, and ensure that the gasket is complete.

   2. It should be filled with hot water below 80 degrees, and the maximum water volume should be two-thirds of the hot water bag capacity.

  3. Vent the air and tighten the screw cap.

  4. When not in use, fill with a small amount of water or air, cover with a plastic bag, and place it in a dry and shady place to avoid light exposure. Do not put it in a box or cabinet with camphor. Do not come into contact with acids, bases, oils, or sharp objects, and do not subject to heavy pressure!

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