Swap plastic cling wrap or foil for reusable stretchy can covers that fit a variety of small containers- cups, jars, cans, small bowls, even 1/2 cut fruits and veggies! How to Use: To avoid slipping, make sure hands, the outer edge of the object, and the silicone covers are completely dry. Simply stretch to cover. You can pull on the tabs to make sure cover is secure. Not suitable for sharp objects or jagged cans. Temperature resistant from -40°F to 450°F. They are microwave-safe, freezer safe & heat-resistant so you can quickly reheat leftovers. Top rack dishwasher safe. Size unstretched: 2.6 inches.