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 plastic material, meeting high safety standards. Includes silicone rings to help prevent leaks and ensure a strong seal. Each stopper is tested for durability and performance, providing reliable, odor-free use. 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 removing the stopper completely. Ideal for camping, work sites, RV travel, and other outdoor activities. Easy to clean: The vacuum bottle stopper is reusable and simple to maintain. 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 in color between the image and the actual item. Measurement allowance is +/- 1-3 cm.