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 for leak resistance and strong sealing. Each stopper is tested for durability and performance, ensuring reliable and safe use with no unpleasant odor. Leak-resistant lid: Designed specifically for Stanley stainless steel thermos bottles, allowing secure placement in backpacks or bags without spill concerns. Twist-and-pour function enables easy pouring without removing the stopper completely. Ideal for camping, work sites, RV travel, and other outdoor or on-the-go uses. Easy to clean: The vacuum bottle stopper 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 settings may cause slight color variations between the image and the actual item. Measurement may vary by +/- 1-3 cm.