Perfect Compatibility: Designed exclusively for Stanley Quick FLIP GO 24oz and 36oz water bottles, these replacement stoppers and gaskets ensure a precise fit, maintaining the integrity and style of your beloved hydration companion. Leak Prevention: Engineered to provide a secure seal, these high-quality silicone parts prevent leaks effectively, keeping your beverage safe and ensuring that your water bottle remains clean and ready for all your adventures. Superior Quality Materials: Crafted from premium silicone, these replacement parts are safe for use, offering durability and flexibility. They are easy to clean, supporting both hand washing and dishwasher use, making them perfect for daily use. Please Note: These replacement parts are specifically tailored for Stanley Quick FLIP GO 24oz and 36oz models only. They are not suitable for other brands or sizes. Ensure to verify your water bottle model before purchasing to guarantee a perfect fit. Color: Black Material: Silicone Package Contents: 4 x silicone replacement stoppers 4 x sealing gaskets, along 1 x Small accessories Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.