Features: High Quality Material: Made of environment-friendly PVC and flannelette durable safe and tasteless suitable for mother and baby. Easy to Use: Large diameter can be easily filled with water to prevent splashing. Integrated design good sealing no need to worry about water leakage. Ideal Gift: This fashionable and lovely thermal bag can be used in winter and summer. It is soft and comfortable to the touch. It is an ideal choice for parents children or friends for birthday and holiday gifts. It is practical and thoughtful. Versatile Use:It can be used to keep the back waist and knee warm for longer than traditional rubber bottles. It can be heated by microwave or refrigerated. It can be used to keep warm in winter and cool in summer. 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 + flannelette Capacity: 1000ml Notice: 1.Actual color may be slightly different from the image due to different monitor and light effect. 2.Please allow 1-3cm deviation due to manual measurement. includes: 1 set ofThermal Insulation Bag "