ThermoSs Replacement Stopper for Classic Vacuum Insulated Wide Mouth Bottles (1.1 QT, 2 QT). Compatible with classic ThermoSs models. Suitable for water, mate, coffee, tea, and other beverages. High Quality: Made from food-grade plastic, meeting strict quality standards. Features silicone sealing rings to prevent leaks. Each stopper is tested for durability, secure fit, and safety. Odorless and safe for everyday use. Leak-Resistant Lid: Designed for stainless steel vacuum bottles. Secure twist-and-pour functionality allows controlled dispensing without fully removing the stopper. Ideal for use at home, outdoors, in the car, or while traveling. Easy to Clean: Reusable and simple to clean by hand with water. Not dishwasher-safe. Do not microwave. Color: As shown in image. Material: Plastic. Package Includes: 1 × bottle stopper. Note: Actual color may vary slightly due to screen settings and lighting. Measurement tolerance: ±1–3 cm.