Optimal Compatibility: Specifically designed for water bottles, these replacement caps fit both the plastic and stainless steel models. Comprehensive Set: Each package contains four premium white silicone caps, ensuring you have enough backups to replace lost or damaged lids effortlessly, thereby enhancing your hydration experience without interruption. Enhanced Protection: Crafted to safeguard your beverage, these lids effectively prevent contamination from dust and debris. Their design not only maintains the cleanliness of your drink but also preserves its taste and temperature, contributing to a superior drinking experience. Superior Durability: Manufactured from high-quality, silicone, these caps offer reliability and . They are easy to clean, suitable for both hand washing and dishwashers, and designed to withstand frequent use without compromising the functionality or of your water bottle. Please note:the physical slightly color difference or difference, does not affect the use, please do not mind, thank you! Colour:White Material:Silica gel Package Contents: 4 * Silicone Cap Lid 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.