1、Waist Cover: Can be worn around the waist to treat lower back pain and sports injuries, as well as back pain, neck and shoulder pain, muscle soreness, menstrual cramps and more. 2、Knitting Cover: Knitted fabrics is warm and skin friendly, do not stab skin. Warm knitting can let you feel warm on the moment when pur hands on hot water bag. 3、Leakproof: Wide opening design is convenient for pouring water. Tighten the lid as tightly as possible can prevent water leakage, use securely. 4、Easy To Carry: Can use hot water bag anywhere at the same time, such as entertainment, work, housework, reading, not only free your hands, save time, but also keep warm at all times. 5、Rubber Material: Made of density rubber material, the thicker material will be warmer, durable, safe, explosion proof and environmentally friendly than the traditional hot water bottle. Item Type: Rubber Hot Water Bottle Material: Rubber,Plush Application: Suitable for feet, neck, shoulders, abdomen and back to keep warm, relieve fatigue and relax the mood 1 x Rubber Hot Water Bottle 1 x Waist Cover