Replacement stopper for Stanley. Compatible with Stanley classic models Thermoss, including Stanley Classic Vacuum Insulated Wide Mouth Bottle (1.1 QT, 2 QT). Suitable for use with water, mate drink, coffee, tea, and other beverages. High quality: Thermoss stopper replacement made from food-grade, BPA-free plastic material, meeting high safety and quality standards. Equipped with silicone rings to prevent leaks and ensure a strong seal. Each stopper is tested for durability and performance, providing reliable, safe, and odor-free use. Leak-resistant lid: Designed specifically for Stanley stainless steel vacuum bottles, allowing secure placement in backpacks without spill concerns. Twist-and-pour function enables easy pouring without fully removing the stopper. Ideal for use at campsite, job site, RV, or on the go. Easy to clean: The vacuum bottle stopper is reusable, simple to maintain, and can be easily washed 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 color variation between the image and actual item. Measurement tolerance: +/- 1-3 cm.