Replacement stopper for compatible classic models, including Classic Vacuum Insulated Wide Mouth Bottle (1.1 QT, 2 QT). Suitable for use with water, coffee, tea, and other beverages. 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. Designed for stainless steel vacuum bottles, allowing secure transport 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. Reusable and easy to clean 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 screen differences. Measurement tolerance: +/- 1-3 cm.