V-Cooler™ 1.5 Liter hydration pack - NEW slide-seal closure reservoir by HydraPak® clips easily on weight vest shoulders. New single seam weld makes bladder even stronger. It's definitely the new level in hydration packs. 1000-D Cordura® pack body, heavy mesh storage pocket with extra-strong zipper pull, lined with heavy water-resistant polyester, military-grade fasteners. Easy to attach and remove. V-Cooler™ Pack made in the USA, bladder imported, both 2 - year warranty.