The EcoVessel® 24 Oz. Summit bottle is the perfect insulated straw water bottle for on-the-go activities. Reusable, recyclable, insulated stainless steel, designed with comfortable and convenient features, an ergonomic grip makes it easy to grip whether you're on the trails, practicing yoga or cruising around town. Keeps drinks cold and fresh for up to 36 hours. Interchangeable with both the Boulder and Perk lids.