DURABLE AND SAFE: The hot water bottle is made of rubber to ensure maximum safety and transfer heat perfectly, keeping the water hot longer. For safety, the hot water temperature Should not be higher than 80 degrees CelsiusWide mouth: equipped with a splash-proof lid, safe and easy to put in and out of the water, preventing water from flowing out again. The maximum capacity of our thermos is 1000ml, it is recommended to fill it two thirds fullComfortable plush waist cover: Equipped with a plush waist cover, the double insert design is super soft to keep your body comfortable. Warm hands and waist at the same time. Helps prevent heat from coming into direct contact with the skin, May cause burns. MULTI-FUNCTIONAL USES: Our hot water bottle pack is ideal for pain relief, arthritis, sports injuries. Heat therapy helps relax tired muscles and tense shoulders from stress and overtraining.Can also be used for cold therapy, easy to fill with cold water or crushed ice. Great Gift & Random Color: For the hot water bottle, you will receive 1 piece of rose, which can give a cold compress to a child who has a fever. Helps improve blood circulation, soothes menstrual pain and feeling relaxed during special periods. Note: The data is all manual measurement, please allow 1 - 3cm error, due to the difference in light and display, there will be some difference of color, depending on the physical object received Delivery quantity: (according to the main picture)Note: The data is all manual measurement, please allow 1 - 3cm error, due to the difference in light and display, there will be a certain color difference , depending on the physical object received Delivery quantity: (according to the main image)