Astra shop Silicone Anti-dust Glass Cup Cover - Cartoon Animals Silicone Cup Lids - Mug Drink Cover 5 Set In Bright Colors Size:11cm/4.25inch Designed for Cups, Mugs, cocktails, small bowls or canned food Seals tight on all smooth rims: Ceramic, Stainless steel, Glass, Plastic and Melamine Safe for microwave, freezer and dishwasher FDA approved silicone, BPA Free