Hydro Flask Standard Flex Cap - Carnation

Strong yet flexible, the Standard Mouth Flex Cap is the ideal companion for spontaneous campouts, epic road trips, and everyday adventures, featuring durable stainless steel pivots and an easy-to-carry strap for convenience. Equipped with Honeycomb Insulation™, it helps keep drinks cold for up to 24 hours or hot for up to 12, and it is compatible with all Standard Mouth bottles. The cap is BPA-free and phthalate-free, combining safety, durability, and practical design for on-the-go hydration.