Replacement stopper for compatible classic models, including 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 materials meeting high safety standards. Includes silicone rings to prevent leaks, ensuring a strong seal. Each stopper is tested for durability and reliability, free of odors, safe and dependable for everyday use. Anti-leak design: Lid engineered for stainless steel vacuum bottles, allowing secure placement in backpacks without spill concerns. Twist-and-pour function enables easy pouring without fully removing the stopper. Ideal for camping, travel, RV use, and outdoor activities. Easy to clean: Cover is reusable, simple to clean, and easy to replace. Compact and smooth with seamless construction for convenient hand washing. Not recommended for dishwasher or microwave use. Color: As shown Material: Plastic Package includes: 1 x bottle stopper Note: Image color may vary slightly due to lighting and display differences. Measurement tolerance: +/- 1-3 cm.