600D polyester; Made with 50% recycled material; Zippered main opening with rain cover over zipper; Front zipper pocket; Reinforced bottom; Color matched adjustable and detachable shoulder strap; This product meets the following Sustainable Style subcategories:; Sustainable Materials: contains 50% recycled polyester; Responsible Mindset: This brand donates 1% or more of their annual revenue to several nonprofit organizations such as Meals on Wheels and Ronald McDonald House;