- Complete Replacement Set: This package includes 6 durable 40 oz lid replacement gasket rings and 1 handy tweezer, ensuring you have everything you need for quick and easy replacements. Ideal for keeping your tumbler in top condition or as a backup for unexpected wear. - Versatile Sizing: Each gasket ring measures approximately 3.35 to 3.5 inches, specifically designed to fit most 40 oz tumblers. The included tweezers are 4.92 x 0.39 inches, making them easy to maneuver for both adults and children. Please verify compatibility with your cup before use. - Excellent Sealing Performance: The cup gaskets provide a reliable seal that enhances your tumbler's insulation capabilities. They prevent spills and leaks, keeping your beverages fresh and secure while you're on the go. - High-Quality Materials: Made from clear rubber, the 40 oz lid replacement gasket rings offer both durability and a sleek appearance. The tweezers, designed in a professional black finish, are practical and easy to use. - Practical Use Cases: Perfect for outdoor activities like hiking or picnics, ensuring your drinks stay hot or cold for longer. Ideal for busy parents needing quick access to their child's drink without spills. Great for office use, providing reliable performance during long work hours. Invest in this comprehensive set to maintain the functionality and longevity of your 40 oz tumbler, ensuring every sip is enjoyable and mess-free.