Replacement stopper for classic Thermos models. Compatible with Classic Vacuum Insulated Wide Mouth Bottles (1.1 QT, 2 QT), suitable for water, mate, coffee, tea, and other beverages. High quality: Stopper made from food-grade plastic material, meeting high-quality standards. Includes silicone rings to prevent leaks, ensuring a strong seal. Each stopper is tested for durability and reliability, safe to use with no unpleasant odor, providing confidence in daily use. Anti-leak design: Lid is designed 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, or everyday carry. Easy to clean: Bottle cover is reusable, simple to clean and replace. Compact and smooth design with seamless construction allows for easy hand washing with water. Not recommended for dishwasher or microwave use. Color: As shown Material: Plastic Package includes: 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 allowed within +/- 1-3 cm.