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 to prevent leaks and ensure a strong seal. Each stopper is tested for durability and reliability, free of odors, safe and ready for everyday use. Leak-resistant lid: Designed specifically for Stanley stainless steel vacuum bottles, allowing secure storage 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 outdoor activities. 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 when needed. Color: As shown Material: Plastic Package includes: 1 x bottle stopper Note: Light reflection and differences in display screens may cause slight variations between the color shown in the image and the actual product. Measurement may vary by +/- 1-3 cm.