Features: 【Premium and Safe Material】The water bag is made of rubber material, BPA free, safe to use. No need to charged, easy to carry and convenient to use anywhere. 72cm/ 28.3in super long design, you can use the water bag on your waist or shoulder. 【Easy to Use】Wide mouth design, easy and quick to pour water into the water bag without overflowing, and not easy to get burned when filling water.(Note: Please fill in less than thirds-four water) 【With Soft Plush Cover】Comes with a soft plush cover, comfortable touch feeling, you can use the hot water bag in your bed. (Note: Please do not use microwave to heat the water bag) 【Better Heat & Cold Resistance】Featuring better heat and cold resistance, the rubber water bag can be used as a hot pack for warming or a ice bag for cooling. 【Wide Applications】Suitable for relieving menstrual cramps, muscle aches and pain in various parts of the body. Keep warm with hot water in cold winter and cool down with cold water in summer. Specification: Cover Color: Pink/ Red/ Black/ Light Grey/ Dark Grey/ Cyan(Optional) Material: Rubber + Acrylic Fiber Capacity: 2L Item Size: 72 * 12cm/ 28.3 * 4.7in Item Weight: 480g/ 16.9oz Packing List: 1 * Hot Water Bag 1 * Cover