High-quality materials: food-grade plastics. Selected imported environmentally friendly materials, no BPA, passed the US FDA and European LFGB certification, feel relieved to use. Simple and comfortable: One-button design, one-button opening, one-button sealing, one hand brews milk powder, the other hand catches the baby screaming to eat. Sealing and freshnessUsing a high-quality sealing ring on the lid can keep the milk powder clean and dry for a long time, keep away bacteria, and extend the storage time of food. Easy to clean and carry: The lid can be easily removed, easy to clean, and effectively prevents dirt from staying. Please dry completely before using again. The milk powder tank adopts an innovative portable design, which is easy to transport and reduces the risk of accidental damage to the tank. Please note: the milk powder capacity of 1000ml, 1700ml and 2300ml is approximately. 300g, 600g, 800g Please select the appropriate capacity according to your requirements. The heat-resistant temperature of the milk powder box is 80C, and the heat-resistant temperature of the lid is 70C. Please wash with warm water. If the temperature of the milk powder box is too high, it will produce peculiar smell and cause product deformation.