Feature: 1. Removable Magnet: The magnet is easy to disassemble for easier and more thorough cleaning, so it can be kept in the best condition and is more durable than any other sliding cover. 2. Spill Proof: This dishwasher lid also adds a protective barrier to keep coffee, water, wine, and any drink you like from escaping heat or cold. 3. Convenient to Drink: Magnetic tumbler cup lid has wide mouth sip hole allows for direct sipping or for use with a straw. 4. Good Workmanship: Exquisite workmanship, beautiful appearance, portable size, providing you great using experience. 5. Smooth Magnets: The smooth magnets provide a reliable sliding mechanism for each size. Specification: Item Type: Magnetic Tumbler Lid Product Material: SK Product Color: Black Weight: Approx. 85g / 3.0oz. Package List: 1 x Magnetic Tumbler Lid