?Note?- For safety reasons, please do not use boiling water! When injecting hot water, it is recommended to fill 2/3 of the capacity, slowly squeeze out the air inside the hot water bag after the filling is completed, and then tighten the cap. ?Best Gift Choice?- Hot water bottle with cover is a warm presence in the cold environment, you can provide a soft, warm hot water bag for yourself, for your family and friends. Let it accompany you through the cold every day. ?Comfortable and soft fabric?- Selected high-quality polyester spandex fabric, soft, delicate, skin-friendly, good heat resistance, can better absorb heat and release, avoid high temperature burns. The cover is removable and washable, easy to clean. ?Multi-scene application?- The hot water bottle with cover can be used as a remedy for body pain, sports injuries, muscle pain, menstrual cramps and tension, and effectively relieve arthritis pain. It can also provide pleasant and long-lasting heat for the neck, shoulders, back and abdomen. ?Large capacity and large opening?- 1.8L rubber hot water bottle with cover, the effective water filling capacity is 1700ML (the actual capacity of water), the large capacity can bring you a longer warm time. The hot water bottle is also equipped with a wide opening to make water injection more convenient. ?High-quality rubber material?- High-quality rubber material made of hot water bottle, durable, safe and reliable. ?Leak-proof and explosion-proof design?- Adopt one-piece seamless molding technology, with spiral lid slot design, has good performance of pressure-proof and explosion-proof, no water leakage when shaking.