Features 1、Spiral Design: Spiral lid, smoothly twisted to close intact, to ensure that the warmth is retained without damage, to ensure the greatest degree of safety, and to keep the water temperature longer. 2、Best Assistance: The cute cartoon hot water bottle has a sleek edge and the surface temperature will not be too high, making it easy to operate. It is suitable for the treatment of muscle soreness, cramps and pain. 3、Easy To Use: The safe hot water bottle has a wide mouth, which is easy to hold hot water, is small and portable, soft and comfortable, and brings warmth to your hands and waist, keeps warm and prevents leakage. 4、Layers Of Protection: The cute and individual hot water bottle is protected from the inside out, the materials are selected layer by layer, strictly controlled, and the heat insulation layer is implanted inside. 5、Safe And Leak Free: Comfortable and warm hot water bottle with large threaded stopper, seam and waterproof mouth, sealed and leak proof, super large capacity 500ml, it is recommended to fill two thirds of it. Specification Item Type: Hot Water Bottle Material: PVC Outdoor: 2-3 Hours Room Temperature: 3-5 Hours Bedding: 8-12 Hours Capacity: 500ml Package List 1 x Warm Water Bag