Replacement stopper for Stanley. Compatible with Stanley classic models thermos, including Stanley Classic Vacuum Insulated Wide Mouth Bottle (1.1 QT, 2 QT). Suitable for use with water, mate, coffee, tea, and other beverages. High quality: Stopper made from food-grade, BPA-free plastic material, meeting high safety and quality standards. Includes silicone rings to help prevent leaks, providing strong sealing performance. Each stopper is tested for durability and reliability, ensuring safe and confident use with no unpleasant odor. Leak-resistant lid: Designed specifically for Stanley stainless steel vacuum bottles, allowing secure placement in backpacks or bags without spill concerns. Twist-and-pour function enables easy pouring without fully removing the stopper. Ideal for camping, work sites, RV trips, and other outdoor or on-the-go uses. Easy to clean: The vacuum bottle stopper is reusable, simple to maintain, and easy to replace. Compact and smooth design with seamless construction allows for quick hand washing with water. Not recommended for dishwasher or microwave use. Color: As shown Material: Plastic Package includes: 1 x bottle stopper Note: Light reflection and display differences may cause slight variations between the color shown in images and the actual product. Measurement may vary by +/- 1-3 cm.