Designed for Stanley Classic Bottles: This replacement stopper is perfectly compatible for Stanley Classic Vacuum Insulated Wide Mouth Bottles, both 1.1 QT and 2 QT sizes. It ensures a snug fit, maintaining the temperature of your beverages, be it hot coffee or chilled water, for extended hours. Leak-Proof and Convenient: Equipped with a secure twist-and-pour feature, this stopper prevents any spillage, making it ideal for travel, outdoor adventures, or daily commute. Enjoy the ease of pouring drinks without the need to remove the stopper completely, keeping your drink temperature consistent. Safe and Durable Material: Crafted from high-quality plastic and silicone, this replacement stopper is designed for longevity and safety. It's suitable for both hot and cold beverages and features a seamless design that's easy to clean, ensuring that your drinking experience is always safe and enjoyable. User-Friendly Installation: This stopper's simple screw-on mechanism allows for quick and easy installation or replacement without the need for any tools. It's designed for efficiency and convenience, making it perfect for swift, hassle-free use. Color: Green Material: plastic Package Contents: 1 x Replacement Stopper