6 Pieces Silicon Lids School & Office With its innovative valve design

With its innovative valve design

while the built-in squeegee ensures a streak-free

as well as when you're fishing for weighing your luggage

which is harmless to the human body

6 Pieces Silicon Lids School & Office With its innovative valve designMade of healthy ,food grade non toxic silicone material,not easily to damage or deform,durable for long time us. It can keep food fresh for long time,different sizes fit most of bowls. Very good elasticity,can be stretched 2 times than the original size. Resistant to heat up to 230?,? can put it in boiling water to wash,also it is cold resistant which can be used under 40?. Can be used in refrigerators,microwave or ovens,easy to clean and it is