All terrain wheels with skid bars, improved transport in all weather conditions 600D polyester and ripstop/nylon help prevent rips and tears Ball point nylon base, adds durability in this key wear area Retractable handle facilitates transport and convenience Heavy duty zippers increases durability and are easy to use Skate pockets help prevent skates from cutting equipment Added accessories pocket Velcro™ ID holder Detachable mesh laundry bag keeps wet gear together for easy washing 40" x 18" x 16"