Safe and non-toxic: Made of 100% high quality silicone, durable, safe and non-toxic, can be in contact with food for a long time without harm, can be washed in the dishwasher. Wide range of uses: microwave oven cover can be used to seal leftovers, fruits, directly covered in the bowl, condiments, POTS, plates, bottles above, used to seal the unfinished wine, coffee, drinks and so on. Cleaning and storage: Simply wipe and reuse our silicone suction caps, which are not easy to stain. These silicone LIDS are a perfect alternative to plastic packaging. They are easy to use and can be well suited to your daily needs. Leakproof design: The food cover is sealed with a non-slip edge, which is used to store some juicy food, and there is no need to worry about air leakage. The transparent design makes the contents of the food clear and easy to access. Various sizes: You will receive a total of 6 silicone cover food sets, respectively 6.5 cm, 9 cm, 11 cm, 14 cm, 15.8 cm and 20 cm, 6 sizes, enough to fully meet your different food classification and storage needs.