Ogio Atlas 100 Oz Hydration Backpack Charcoal One Size Size: 100 OZ/3-LITER Style: HYDRATION PACK/BACKPACK Color: CHROME Warranty: OGIO International guarantees its entire non-golf line of products for the lifetime of the product(original sales receipt required). This covers the product for the original owner against defects in materials and workmanship only. If the product ever fails due to a manufacturing or material defect, then OGIO will replace with like product at their discretion. This does not cover normal wear & tear, accident, improper use, or the natural break down of colors and materials over time.