Good sealing performance: The spiral sealing cover design greatly enhances the sealing performance and prevents water leakage. It will not leak easily even if squeezed or shaken, so you can use it with confidence. High-Quality MaterialsThe material of this hot water bottle is high-quality PVC and soft plush cover, which is environmentally friendly, safe and reliable. Easy to useThe hot water bottle adopts a wide mouth design to safely pour water into the hot water bottle. Please pour two thirds of the 80 degree hot water. Note Do not use microwave to heat. Pocket DesignThis product is designed with double pockets on the front and back. The front pocket can keep your hands warm, and the back pocket is used to hold a hot water bottle, which can extend the warmth time of the hot water bottle. Good Helper: Hot water bottle can be used hot or cold. Best gift for friends, loved ones and relatives.c