Made Of Combo: 230T rPET And Twill Polyester With 210D Polyester Lining. Made From Post Consumer Recycled Materials. Recycled Polyester (rPET) Is Obtained By Melting Down Existing Plastic Bottles And Other Material Sources To Create New Polyester Fiber. Backing, Buckle, Zippers, Hook And Loop Closure Comfort Grip And Label Are Not rPET. Double Zippered Main Compartment. Front Zippered Pocket. Back Zippered Pocket Above Trolley Sleeve. Back Zippered Pocket Zips To Create Pocket And Unzips To Create Trolley Sleeve. Elastic Side Slip Pocket. Padded Backpack Shoulder Straps And Padded rPET Carrying Handle. Web Carrying Handles With Hook And Loop Closure Comfort Grip. Detachable/Adjustable Padded Shoulder Strap. Zippered Bottom Pocket Stows Padded Backpack Straps To Convert Into Duffel Bag. Convert To Duffel Bag Or Backpack. 2 Interior Slip Pockets And 1 Interior Zippered Pocket. Interior Tethered Key Clasp. 55" Straps. Spot Clean/Air Dry.