Replacement stopper for Stanley. Compatible with Stanley classic models, including Stanley Classic Vacuum Insulated Wide Mouth Bottle (1.1 QT, 2 QT), suitable for water, coffee, tea, and other beverages. Made from food-grade, BPA-free material, meeting high quality standards. Includes silicone rings to prevent leaks and ensure a strong seal. Each stopper is tested for durability and performance, odor-free, and safe for everyday use. Leak-resistant lid design allows for secure placement in backpacks without spills. Twist-and-pour function enables easy pouring without removing the stopper. Ideal for use at camp, on the job site, in the RV, or on the go. Easy to clean with water; not recommended for dishwasher or microwave use. Smooth, seamless design for convenient maintenance. Color as shown. Material: plastic. Package includes: 1 x bottle stopper. Product images may vary slightly in color due to lighting and display differences. Size may vary by +/- 1-3 cm.