[ Design and Usage Methods]Silicone lids set don' have the vacuum suction function.Make sure the Cover's Size is larger than your Bowl's Mouth Size, and then cover the mouth of the Bowls; the top lid, make sure it can be sealed closing for airtight seal; Open the bowl edge and unlock the seal. Please note that the cover is irregular container seal. [Multi-Size Universal Cover]Silicone Bowl Lids are Fashionable, colorful and in 5 Universal sizes, so these silicone lids for bowl set are almost suitable for cups, mugs, pots, frying pans, plates, jars, glasses and bowls. [Heat and Cold-]Silicone microwave cover are made of high-quality food-grade silicone, Withstands Temperatures from -40 Degrees F to 446 Degrees F, it perfectly and safely used in microwaves, stoves, ovens and refrigerators. Using it in refrigerator to keep food fresh for a long time. Using it in a microwave oven can prevent food from splashing and boiling. [Easy Clean& Storage]Silicone lids for food storage is easy to clean. After use, Only need to wipe it with a mild detergent or use a dishwasher to quickly clean It. With handle design, You can just hang to air dry after cleaned. It makes applying and removing easy. And it protects your hands from steam too. [Make Your Life Easier]No more fighting with plastic wrap or stretch lids! End cleaning up microwave splatter! Enjoy easy clean up - dishwasher safe! Save space and reduce clutter with interlocking lids for easy kitchen storage. Enjoy handles, easy to grip even for weaker hands. Color: As shown Material: Silicone Package Contents: 5*Silicone Food Storage Lids Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.