Skin-friendly hot water bag

Wool sweater cover water-warmer for waist and belly, for continuous warmth and care

1. Thickened rubber material for enhanced warmth retention.

2. The 2.5CM widened water injection port is convenient for adding water, the groove is leak-proof, and the screw-proof leak-proof cover is not easy to leak. The safety screw cap is made of excellent cold-resistant material, high-density, rotary, avoid water leakage, reinforced high-quality nut, resistant to high temperature above 120 °C, and will not deform!