1.Product description: 1. Transparent cartoon water injection hot-water bottle can warm hands waist or stomach. It can warm you in the whole winter and let love come to a pressing time. 2. Made of high-quality PVC materials, it is anti-pressure, anti-stretching with high explosion grade. It is thermal-insulation and heat retaining, giving you a comfortable hand feeling. Fill and use with water injection design. It is more secure without power plug. It is sealing, leak-proof, warm and close.2. Product parameters: 1. Size: about 18.5*10.5cm/7.28*4.13in (Please allow some minor errors due to manual measurement.) 2. Material: PVC 3. Temperature: no more than 80 ° Note: Two thirds of capacity is appropriate for water injection. Squeeze the excess air of the bag after filling the water and screw down the lid. In order to ensure safety, please turn the hot water bottle upside down and check for water leakage. Temperature should not exceed 80 degrees to avoid scalding. 3. Packing list: 1* Transparent cartoon water injection hot-water bag