1. Cute cartoon style protective bag with special protective bag design to protect your hands and keep them warm, a great gift for kids, kids, girls, mothers, girlfriends and ladies. 2. Multifunctional Pain Relief Hyperthermia: Can be used with hot or cold water, with or without a soft and comfortable lid - this water bottle is suitable for hot water and can also be used as a reusable ice pack for injuries. 3. Weight: 130g, Capacity: 320ML, Material: Silicone, warm and comfortable, an ideal gift for mom and dad 4. The screw cap helps prevent the bottle from leaking. Safe and easy to fill and use. Wide mouth with stopper for easy pouring of hot water into the bottle, preventing water from spitting out. 5. No need to change the water, it is more convenient to use, and it can be heated by a microwave oven. Remove the knitted cloth cover and fill the bag body with cold water to prevent the empty bag from bursting. The heating power should not exceed 800w, and the heating time should not exceed 2 minutes. In the case of additional heating, the previous heating time should also be used, and do not overheat. If there is any abnormal situation such as continuous expansion during the heating process, please stop the heating immediately, but do not turn on the microwave oven immediately.