2. Using food grade high quality silica gel, heat and cold resistant, safe and secure use
3. Excellent sealing:
Press gently, the water will not spill out and the dust can be blocked.
Gently place the lid on the cup (if the cup is broken, it won't seal), then press the cup handle gently and press down gently, then you're done)
Simply lift the raised lid edge up gently. The handle can be placed on the spoon