Replacement stopper for Stanley. Compatible with Stanley classic models, including Stanley Classic Vacuum Insulated Wide Mouth Bottle (1.1 QT, 2 QT). Suitable for use with water, coffee, tea, and other beverages. High quality: Stopper made from food-grade, BPA-free plastic material, meeting high safety standards. Includes silicone rings to help prevent leaks. Each stopper is tested for durability and reliable sealing performance. No unpleasant odor, safe and sturdy for everyday use. Leak-resistant design: Lid is designed specifically for Stanley stainless steel bottles, allowing secure placement in bags without risk of spills. Twist-and-pour function enables easy pouring without removing the stopper completely. Ideal for camping, work sites, RV travel, and outdoor activities. Easy to clean: Small and smooth design with seamless surface allows for quick 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 color variation between image and actual item. Measurement may vary by +/- 1-3 cm.