Specifications: This product helps warm hands, feet, waist, and abdomen during winter, making it suitable for women, the elderly, and individuals sensitive to cold. Designed with a spiral leak-proof cover to help prevent hot water from leaking and contacting the skin, reducing the risk of burns. The wide-mouth design allows for easy filling and use. Made from high-quality PVC material. Product dimensions: 12.5 cm in length and 20.5 cm in width. Suitable for use at home, in dormitories, offices, and similar environments. Item Name: Hot Water Bag Material: PVC Features: Thick, compact, leak-proof Available Colors: Grey, Green, Pink, Sky Blue Volume: 500 ml Size Details: 12.5 cm x 20.5 cm (approximately 4.92 x 8.07 inches) Notes: The actual product color may vary slightly from the images due to lighting conditions and screen settings. Slight variations in dimensions may occur due to manual measurement. Package Includes: 1 x Hot Water Bag