The Hydro Flask Wide Mouth Flex Cap seamlessly merges strength and flexibility, creating a lid designed for ultimate portability. Every detail has been meticulously crafted with easy-carry comfort in mind, ensuring a hassle-free experience whether you're on an outdoor adventure or navigating a busy day at the office. This lid is compatible with all Wide Mouth Hydro Flask Water Bottles, featuring innovative Honeycomb insulation that works to keep your cold drinks cold and hot drinks hot, longer than ever. Stay active and hydrated no matter where life takes you—having an extra water bottle lid for your Hydro Flask is always a wise choice. This insulated cap guarantees your beverages maintain their ideal temperature, helping you stay refreshed and focused. Durably constructed to match the resilience of your Hydro Flask, this lid is designed to perform under all conditions. Plus, it's backed by a manufacturer's lifetime warranty, offering you peace of mind that this cap will be a steadfast companion for years to come. Embrace the convenience and reliability of the Hydro Flask Wide Mouth Flex Cap for your hydration needs.