• Silicone accessories designed to provide complete protection and functionality for the Stanley Cup • Includes 6 leak-proof silicone plugs (2 stoppers, 2 square, 2 round), 2 straw lids, and 1 protective silicone sleeve • Made of high-quality silicone, reusable, easy to clean by hand or in the dishwasher, and do not alter the taste of beverages • Easy to install and remove, fit securely to the cup, and allow you to distinguish the straw to avoid confusion • Ideal for outdoor activities such as camping and hiking • Lid with 360° leak-proof design, prevents accidental spills • Silicone sleeve protects the cup against scratches, dents, and provides a non-slip effect • Compatible with Stanley cups of 30 and 40 ounces (850 ml and 1200 ml) and straws with a diameter of 9-10 mm