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: Thermos stopper made from food-grade, BPA-free material, meeting high safety and quality standards. Equipped with silicone rings to help prevent leaks and ensure a strong seal. Each stopper is tested for durability and reliability, providing safe, odor-free performance. Leak-resistant lid: Designed specifically for Stanley stainless steel thermoses, 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 travel, and outdoor use. Easy to clean: Vacuum bottle lid is reusable, simple to maintain, and easy to replace. Smooth, seamless design 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 product color in images and actual color. Measurement may vary by +/- 1-3 cm.