Replacement stopper for Stanley. Compatible with Stanley classic models thermos and 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: Made from food-grade, BPA-free plastic material, meeting high safety and quality standards. Includes silicone rings to prevent leaks and ensure a strong seal. Each stopper is tested for durability and reliability. Free of unpleasant odors, providing safe and confident daily use. Leak-resistant design: Specifically designed 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 other outdoor or on-the-go activities. Easy to clean: The vacuum bottle stopper is reusable, simple to maintain, and easy to replace. Smooth, seamless surface 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 the actual item. Measurement may vary by +/- 1-3 cm.