Specifications: Because it can warm hands, feet, waist and abdomen in winter, it is very suitable for women, the elderly and anyone who is afraid of cold. This product is equipped with a spiral leak proof cover to prevent hot water leakage from contacting the skin and causing burns. In addition, the wide mouth thermos bottle is easy to fill and use. It is made of high-quality PVC material. The product is 12.5cm long and 20.5cm wide. This product is applicable to families, families, dormitories, offices, etc. Item Name: Hot water bag Material: PVC Features: thick, compact, leak proof Color: grey, green, pink, sky blue Volume: 500ml Size Details: Size: 12.5cm x 20.5cm/4.92 "x 8.07" (approx.) Notes: The color of the project may be slightly different from the picture due to differences in lighting and screen settings. Due to different manual measurements, please allow slight dimensional differences. Package includes: 1 hot water bag