Upgrade your tumbler with our Reusable Flip Straw Lid Replacement, specially designed for Stanley 40oz tumblers. This spill-proof and leak-resistant lid ensures a smooth, mess-free drinking experience whether you’re at home, in the car, or on the go. Made from premium, it’s safe, durable, and built to last. The flip-top design provides easy access to your drink, while the snug fit prevents leaks and splashes. Perfect for coffee, smoothies, water, or iced drinks, this reusable straw cap is the ideal replacement to keep your tumbler performing and looking like new.