Experience ultimate convenience and durability with our Standard Mouth Flex Cap, the perfect accessory for all your outdoor adventures. Whether you're setting up a spontaneous campout or embarking on an epic road trip, this cap is designed to move with you. Crafted with stainless steel pivots and equipped with an easy-to-carry strap, it ensures a secure and comfortable grip. What truly sets our Flex Cap apart is its innovative Honeycomb Insulation. This advanced feature keeps your beverages cold for up to 24 hours and hot for up to 12, making it an essential companion for any excursion. Specifically designed to fit all of our Standard Mouth bottles, this cap enhances your hydration experience with reliability and ease. Elevate your outdoor gear with a cap that combines strength, flexibility, and unparalleled insulation.