High-Quality Build: Made from durable, premium plastic, these lids are built to last, offering a leak-proof experience for daily use and long-lasting performance. Universal Fit: This flip straw lid is designed to seamlessly fit 40 oz Adventure Quencher Travel tumblers and Quencher H2.0 FlowState model Eco-Friendly and Reusable: These reusable lids provide a sustainable way to stay hydrated, blending practicality with environmentally conscious design, making them ideal for everyday use. Leak-Proof Design: Perfect for an active lifestyle, these lids offer top-tier leak protection, ensuring your drinks remain secure and spill-free, no matter where you go.