Good sealingYou can easily push into the middle and the lid provides an airtight, waterproof and leak-proof seal. To remove the glass cover, you can simply lift it from the side. Lightweight and DurableNot small, durable, non-toxic and safe. It also has a stable shape and a long service life. Wear-resistant silicone guarantees durability and excellent feel. Colorful and PopularSilicone cup lids are available in 6 random color . Make your life full of colours, have a good mood every day. Easy to WashThe silicone cup lid is reusable and can be cleaned in the dishwasher. So you never have to use plastic film. Functional Cup CoverGood for home, office and especially as a camping cup lid to keep flies, wasps and other unwanted insects away from your drink, and a good choice to be a cup cover for outdoor use.