Feature:1. High Quality Material: The bag body is made of safe silicone material, which is safe and non toxic, strong and durable.2. Exquisite Craftsmanship: It adopts one piece forming process, which has good sealing performance, explosion proof, and water leakage prevention.3. Heatable: The hot handbag can be heated in a microwave oven when filled with cold water without releasing BPA and is safe to use.4. Ice Bag: Inject 3/4 of cold water into the refrigerator and refrigerate for more than 30 minutes. The "ice bag" can be used as a cold compress.5. Easy to Use: The cold and hot water bottle is easy to fill and easy to use. It can be carried around and used, which is very convenient.Specification:Item Type: Warm Water BagMaterial: SiliconeSize: Approx. 21x7cm / 8.3x2.8in Knitted Cover Length: Approx. 24.5cm / 9.6inCapacity: 550mlGross Weight: Approx. 199g/7.0oz Package List:1 x Explosion Proof Warm Water Bag1 x Knitted Cover