Hydro energy actives stainless steel water bottle is a sleek and rugged sports water bottle with a powder coated finish. The 32oz water bottle’s unique double-wall vacuum insulation keeps drinks hot (12 hrs) and cold (24 hrs). All Hydro Energy bottles come with two wide mouth lids: a straw lid and a regular lid (flex cap). BPA-free hydration solutions: hydro energy products help you stay cool, refreshed and hydrated For an active, on-the-go lifestyle.