Product Overview: OGIO ALPHA Convoy 522s Travel Bag The is the most complete and fully equipped travel bag, this 4-wheel carry-on spinner is the most essential and functional piece of travel equipment. Fully customizable packing space and the Alpha Convoy MOD Storage System that integrates with the entire Convoy Collection. Features: Durability: Built with premium CORDURA® Eco fabric, YKK zippers and buckles, and sturdy construction, this bag is built to last. Sustainability: Made from 100% CORDURA® Eco fabric, this ultra-durable polyester is made from discarded and recycled plastic. Premium 600D Cordura® Eco polyester body and 1200D Cordura® Eco back. This fabric has exceptional abrasion resistance, tear strength, and is made from recycled materials.