Dimensions: 3 x 6 Pieces per Set: 6.5 cm, 9.5 cm, 11.5 cm, 14.5 cm, 16.5 cm, 21 cm. Lids can cover containers of various shapes and sizes. . Easy to wash: Magic lid easy to wash, soft and resistant. Easy to insert, without having to change the container to put a lid. Washable by hand or in the dishwasher. . Practical: the reusable covers of containers with good elasticity do not deform. Unlike transparent film or silver foils, these covers for storing food can be reused over and over again. . Keep food fresh: these stretch lids will create an airtight seal when placed over a container, without letting air get inside, keeping food, fruit and vegetables fresh longer and away from flies. . Healthy and Safe: The silicone lids for storing food are made of food-grade silicone, BPA free, ecological recycling, without plastic. Safe for the baby. Just put the silicone lid on to cover the food and heat it in the oven or microwave. .