Replacement stopper for Stanley. Compatible with Stanley classic models thermos, including Stanley Classic Vacuum Insulated Wide Mouth Bottle (1.1 QT, 2 QT). Suitable for use with water, mate, coffee, tea, and other beverages. High quality: Made from food-grade, BPA-free plastic material that meets high safety standards. Includes silicone rings to prevent leaks and ensure a strong seal. Each stopper is tested for durability and performance, providing reliable, safe, and odor-free use. Leak-resistant design: Specifically designed for Stanley stainless steel thermoses, allowing secure placement in backpacks or bags without spill concerns. Twist-and-pour function enables easy pouring without fully removing the stopper. Ideal for camping, work sites, RVs, and outdoor activities. Easy to clean: The small, smooth, and seamless design allows for easy hand washing with water. Not recommended for dishwasher or microwave use. Reusable and simple to replace. Color: As shown Material: Plastic Package includes: 1 x bottle stopper Note: Light reflection and display differences may cause slight variations in color. Measurement error allowance: +/- 1-3 cm.