High Quality Materials: Food Grade Plastic. Some imported environmentally friendly materials, BPA-free, FDA certified, can be used with confidence. Simple And Convenient: ONE-PRESS button design, can be opened with one click, sealed with one press, one hand can infuse milk powder, the other hand caught the crying baby to get food. Sealing And Conservation: Use a high-quality sealing ring inside the lid to keep the milk powder clean and dry for a long time, keep it as far away from bacteria as possible, and prolong food storage. Easy To Clean And Carry: The cover can be easily removed, easy to clean, and effectively prevent clogging. Please dry completely before using them again. The milk powder tank adopts an innovative portable design, which is easy to carry and reduces the risk of accidental tank damage. Wide Range Of Uses: In addition to milk powder, sealed jars can also be used as grain storage containers, spaghetti containers, protein powder or meal replacement powder dispensers,