BPA free,food grade stretchable silicone cover,freezer safe and dishwasher,also easier to wash by hand. And avoid mix smell,to give your fridge always a fresh air. Total 6 different size, each size silicone stretch lids can match with many container sizes and shapes. Expandable for containers, bowel, can, cup, bottles, pots, jar, glassware, and the food items themselves.
