Keep the temperature of your drinks constant with these cup lids. Simply press on them slightly over your cup until it is suctioned and your hot drinks will stay hot, while your cold drinks stay cold. With its airtight seal, the lids also prevent spills and keeps dust out of your drinks. Use them on cups, mugs, wine glasses, or even small bowls. * Sold as a set of 6. * Safely seal your cups to prevent them from spilling and to keep dust away. Simply press the lid slightly until suctioned. Can be used on cups, mugs, wine glasses, and small bowls. * Dimensions: Diamond: 4.25 inch diameter Cute Animals: 4.375 inch diameter Cactus: 4 inch diameter Animal Ears: 4 inch diameter Cat Ears: 4.25 inch diameter Rabbit Ears: 4 inch diameter Hearts: 4 inch diameter Flowers: 4 inch diameter Butterflies: 4.125 x 5 inches Cats: 4.25 inch diameter * Material: Non-toxic food grade silicone, BPA free. Does not emit odors.