Warm Water Bag, Exquisite Workmanship Explosion Proof Hot Water Bottle Thickened Portable for Warm Feet for Cold Protection(Green)

[Exquisite Workmanship] Strictly stitched, no water leakage, 3D modeling design, no gaskets to prevent aging and water leakage. [Perfect Design] The front rhombic lattice, enlarge the contact area, widen the water injection port, and the tight spiral anti leakage design. [Compression Explosion Proof] Adopt high temperature and pressure technology, with large thread bite to achieve explosionproof. [Small and Portable] PVC hot water bottle, small and portable, soft and comfortable, warm and leakproof, you can use it for a long time. [Waterproof] Protection from the inside to the outside, the selection of materials is strictly controlled, and the internal insulation layer is implanted.