Replacement stopper for Stanley. Compatible with Stanley classic models thermos and Stanley Classic Vacuum Insulated Wide Mouth Bottle (1.1 QT, 2 QT), suitable for water, mate drink, coffee, tea, and other beverages. High quality: Thermos stopper made from food-grade, BPA-free plastic material, meeting high safety standards. Equipped with silicone rings to prevent leaks, ensuring a strong seal. Each stopper is tested for durability and reliability, odorless and safe for everyday use. Leak-resistant lid: Designed specifically for Stanley stainless steel thermoses, allowing secure placement in backpacks without spill concerns. Twist-and-pour function enables easy pouring without fully removing the stopper. Ideal for camping, job sites, RVs, and outdoor use. Easy to clean: The vacuum bottle lid is reusable, simple to maintain, and easy to replace. Its compact, smooth, and seamless design allows quick rinsing with water. Hand wash recommended; not dishwasher or microwave safe. Color: As shown Material: Plastic Package includes: 1 x bottle stopper Note: Light reflection and display differences may cause slight color variations between image and actual item. Measurement tolerance: +/- 1-3 cm.