Feature:1. Made of high quality silicone and PC and PA material, not easy to aging, odorless, explosion-proof and durable.2. The sealing mouth adopts screw technology, which is tightly closed and has good sealing and heat preservation effect.3. Uniform heat dissipation, keep you warm in the cold winter or late autumn.4. With a knitted cover, more convenient to hold, good touch feeling.5. A great gift for girls, ladies and children in various age.6. Suitable for home warm , travel warm, perfect for fatigue, cold people and menstruating women.Spec:Condition: 100% Brand NewItem Type: Hot Water BagMaterial: Silicone + PC + PA+ Knitted CoverColor: Blue, Pink, White, Gray(Optional)Size: Approx.10.5x5x15.8cm/4.1x2x6.2in(L x W x H)Caliber: Approx.22mm/0.9inWeight: Approx.195g/6.9ozApplicable Scene: For keeping warm at home, keep warm when traveling. Applicable to physical fatigue, physique cold people and women in physiological period.Two Ways to Use:1.a. Fill the bag with cold water. b. (Remove the braided sleeve before placing it in the microwave oven). When the microwave oven is heated, be sure to fill the bag with 100% water! c. Put in the microwave oven, the heating power is ≤1500W, set the high fire position heating, the heating time is ≤3min. d. Put on the knit sleeve and start using it.2.a. Injecting water at 90 °C ± 2 °C, the injection volume is preferably 3/4. b. Drain excess air and tighten. c. Put on the knit sleeve and start using it.Package List:1 x Hot Water Bag1 x Knitted Cover1 x Chinese and English Instruction ManualNotice:1. When placed in a microwave oven:a. Please take off the braided sleeve.b. Be sure to fill the bag with cold water to prevent the