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 material meeting high safety standards. Includes silicone rings to prevent leaks, ensuring a strong seal. Each stopper is tested for durability and reliability, with no unpleasant odor, providing safe and confident use. Leak-resistant lid: Designed specifically for Stanley stainless steel thermoses, allowing secure placement in backpacks without spill concerns. Twist-and-pour function enables easy pouring without fully removing the stopper. Ideal for camping, work sites, RVs, and other locations. Easy to clean: Vacuum bottle cover is reusable, simple to clean, and replace. Compact and smooth design with seamless surface allows for easy hand washing with water. Not recommended for dishwasher or microwave use. Color: As shown Material: Plastic Package contents: 1 x Bottle stopper Note: Light reflection and display differences may cause slight variations between the item color in images and actual product. Measurement may vary by +/- 1-3 cm.