[Please Note] - Our product is compatible with Stanley Quick FLIP GO 24oz and 36oz water bottles only. It is not compatible with other brands or sizes. Please confirm your water bottle model before purchasing. [Effectively Prevent Leakage] - Designed to help prevent leaks and keep your water bottle clean. These replacement stoppers and gaskets provide a reliable seal for a better user experience. [Package Includes] 6 replacement stoppers and 6 replacement seals (bottle not included). The quantity is sufficient for personal use or sharing with friends. [] - Made from high-quality silicone, these stoppers and gaskets are safe, durable, and easy to clean. Dishwasher safe or hand washable, suitable for everyday use. Color: Black Material: Silicone Package Contents: 6 x Silicone Stoppers 6 x Sealing Gaskets Note: Light reflection and differences in display screens may cause slight variations in color. Measurement may vary by +/- 1-3 cm.