Features: Warm Bottle: The bottle and cover are designed to retain heat to ensure your comfort. The soft covers distribute the heat evenly and protect you against excessive heating. Versatile Usage: The hot water bottle can ease joint disease sore muscles cold and cough dysmenorrhea and other common aches. Easy to Use: The hot water bag for pain relief with wide mouth is easy to fill and use. The hot and cold water bottle is multifunctional. High-Quality PVC material: The product is made of high-quality PVC material with better heat preservation effect non-toxic and tasteless. It has strong compressive resistance and is not easy to deform. After Sales Service: If you have any questions about our products please feel free to contact us and we will provide you with solutions as soon as possible. Specifications: Material: PVC Size: 18*14cm Net Weight: 112.5g Color: Purple blue green yellow Notes: 1. Due to the effects of light and shooting angle the actual color of the item may differ slightly from the color shown on the picture. 2. Due to manual measurement please allow 1-3cm measuring deviation.Thank you for understanding! includes: 1 * Bottle "