Features: 1. **DRIVING SAFETY**: Say goodbye to the worry of water splashing from the spout while driving. This lid ensures your driving safety by preventing such issues. 2. **EASY TO CLEAN**: The magnetically attached sip hole cover is a breeze to clean. Simply remove it, rinse under running water, and you're done — no fuss, unlike with other solid spill-proof lids. 3. **LONG-LASTING TEMPERATURE RETENTION**: The magnetic tumbler lids are ideal for maintaining your drink's temperature for extended periods. Plus, our premium magnetic slide lid locks in the aroma and taste of your beverages. 4. **PREMIUM MATERIALS**: Constructed from AS plastic and magnet, this lid is BPA-free, non-toxic, impact-resistant, and shatterproof. It remains crystal clear even after years of repeated use. 5. **APPLICABLE SIZES**: Compatible with mugs in 20oz and 30oz sizes. The inner diameter of the cups should be 8.1cm or 9.5cm for a perfect fit. **Specification**: - Material: AS Plastic + Magnet - Colors: White, Black, Light Green - Suitable Mug Sizes: 20oz, 30oz - Applicable Inner Diameter: Cups with an inner diameter of 8.1cm, 9.5cm - Product Weight: 45g, 55g - Package Included: 1 x Magnetic Tumbler Lid