The set includes 6 transparent silicone sleeves of different sizes as they are stretchable materials, food lids are easy to fit into most bowls, jars, containers, cups, mugs, cans, jars, and you can even use them to cover your half-cut melon or watermelon. Silicone Lids are smooth, tough, and stretchy enough to snuggle over odd-shaped containers to prevent spills while keeping food fresh. Can be used to cover cooked food, fruits, salads, sauces, as well as drinks like coffee, tea, juice, and more. These silicone lids are made of durable silicone provides a strong stretchable fit to the odd shape and size container.