Made of high-quality polyester fiber PVC material, ensuring durability and safety. 2000ML capacity with enhanced warmth retention by 200%, providing long-lasting heat. Multiple warmth retention designs including anti-fur thickening layer and high-density PVC temperature locking layer. High-pressure integral molding technology allows resistance to pressure up to 200KG, ensuring safety. Thick anti-fur material is soft, skin-friendly, and easy to fill with hot water. Voltage: 0 This winter hot water bottle is designed for maximum comfort and safety. With a capacity of 2000ML, it retains heat effectively, making it perfect for warming hands and feet. The innovative design features multiple layers for optimal warmth retention and safety, including a spiral air valve to prevent leaks. The soft, breathable material ensures a pleasant experience while using the bottle. Color: As Shown Material: PVC Package Contents: 1* Cloth cover 1* hot water bag Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.