- Replacement stopper designed specifically for Stanley classic models, including the Stanley Classic Vacuum Insulated Wide Mouth Bottles (1.1 QT and 2 QT). Ideal for beverages such as water, mate, coffee, tea, and more. - Fits Stanley Classic 1.1 QT and 2 QT vacuum bottles. Dimensions: approximately 2.24 x 2.5 x 1.92 inches. Before purchasing, please verify compatibility with your thermos to avoid errors. - Made from food-grade, BPA-free materials, ensuring safety and quality. Features silicone rings for leak prevention and a secure seal. Each stopper is rigorously tested for durability and odor-free performance, allowing you to use it confidently. - Leak-resistant design allows for worry-free transport in backpacks. The twist-and-pour mechanism lets you serve beverages without fully removing the stopper. Perfect for use at campsites, job sites, RV trips, or everyday outings. - Easy to clean and replace, this vacuum cup cover is compact and user-friendly. Hand wash with water; do not use in a dishwasher or microwave. Enjoy a reliable and convenient solution for your Stanley thermos needs.