COLOURFUL: 6 different color cup lids, diamond is removable and you can DIY rematch them as you like. No small, ,non-, reusable and safe. : Seals tight on all smooth, prevent from dust, airtight and leak proof, keep your coffee or tea hot. Fashionable design:you do not have to worry about spills and drips, and an anti-slip design to that they stay in place remove them . Keep your cup clean: Cup lids keep your cup clean and keep dust and debris out of your drink. Heat and cold temperature: The cup cover is high temperature -40 degrees and 300 degrees Fahrenheit. Safe in the freezer, microwave or oven. Easy to clean and dishwasher safe: the mug lids are reusable and can be cleaned in the dishwasher. How to use To enable airtight sealing, the cup cover slightly till it is sucked. colour: blue + carmine + green + orange + yellow + Material:Silica gel size:10.5 x 10.5cm Package Contents: 6 x silicone cup covers Only the above package content, other products are not included. Note: Light 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.