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 water, mate drink, coffee, tea, and other beverages. High quality: Thermos stopper made from food-grade, BPA-free plastic material, meeting high safety standards. Includes silicone rings for leak prevention and secure sealing. Each stopper is tested for durability and performance, ensuring reliable and safe use with no unpleasant odor. Leak-resistant lid design fits Stanley stainless steel thermos bottles, 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 trips, and outdoor use. Easy to clean: The vacuum bottle lid plug is smooth, seamless, and reusable. Can be washed easily 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 in color between the image and the actual item. Measurement error allowance is +/- 1-3 cm.