Material - The cup lid is made of bamboo, which is durable and practical for everyday use compared to fragile materials. In addition, it is easy to clean, ensuring hassle-free maintenance, and enhancing its overall convenience. Design - The bamboo mug lid has smooth edges to prevent scratches on your skin. The grain adds a rustic touch and enhances the natural beauty of the drinkware. You can DIY your favorite pattern on the lid to decorate the cup. Multifunction - This versatile cup cover shields your drink from dirt, keeping it fresh. Its insulative quality reduces heat loss, maintaining warmth in your hot beverages for extended periods. Its dual-use as a coaster simplifies your routine, offering extra ease. Widely Applicable - Bamboo lids are designed for flexibility, fitting well with coffee cups, tea mugs, drinkware, and wine glasses. Position it over your cup for a secure seal that ensures content security and peace of mind. Materials: Bamboo Outer Diameter: 81mm/3.19" Mouth Diameter: 70mm/2.76" Thickness: 10mm/0.39" Packaging: 4Pcs x Cup Lid Cover