Material: Made of 100% food grade silicon

Function: Put this magic cup cover over a mug or drinking glass, pick-up the mug or glass, turn it upside down, and stare in wonder and amazement as nothing spills, not even a drop

Advantage:

1. Withstand high temperature from -40 to 230 centigrade

2. Safe to use in ovens, microware ovens, dishwashers and freezers

3. non-tonix, environmental friendly and no harm to human body

4. Non-stick, flexible and easy to clean

Remarks:

1. Various colors and sizes are available

2. Customers’ design&logo are welcomed