Astra shop Sun Flower,set of 8 Pack,anti-dust Airtight Seal Silicone Cup Mug Cover,diy Covers,food-grade Silicone Drink Covers,spillproof,leakproof,keeps Beverages Hot or Cold, Silicone Cup Lid Size:4x5inch 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