1.Material: 600D polyester ripstop and waterproof 2.With telescoping handle system 3.Zippered front accessory pocket with organizer 4.In-line skate wheels with corner-protectors 5.Zipped pockets at both sides for small items, such as keys, credit cards, etc. 6.Compression straps secure contents of packs 7.Contoured shoulder straps covered with air mesh tex 8.Back pocket with zipper holdings shoulder straps when using wheels 9.Corner-moulded wheeled and deluxe single-tube telescoping handle 10.Bottom reinforced with thick tray for better balance