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 drink, 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 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 thermoses, allowing safe storage in backpacks without spill concerns. Twist-and-pour function enables easy pouring without fully removing the stopper. Ideal for camping, job sites, RVs, and outdoor use. Easy to clean: The small, smooth, and seamless design allows for quick hand washing with water. Not recommended for dishwasher or microwave use. Reusable and simple to replace. Color: As shown Material: Plastic Package includes: 1 x Bottle stopper Note: Light reflection and display differences may cause slight color variation between image and actual item. Measurement tolerance: +/- 1-3 cm.