The TRI ALL 3 SPORTS Clam Shell Wheel Case is made of the same high standards as the Olympic tested Pro-Series Wheel Safe, but is designed to carry 2 wheels, road or mountain, including the new 29er's. It has high density foam padding, 2 nylon outer straps and 4 Velcro straps, 2 on each side of case that will add extra security and closure to the case. Pull strap and nylon handle, wheels for easy handling. This product is made of Advanced High Molecular Weight polyethylene material. A perfect complement for all of the TRI ALL 3 SPORTS BIKE CASES. The case measures 27.5"L x 10"W x 27.5"H and weighs only 15lbs. UPS and FedEx shippable. Be sure and watch our video on their amazing drop test!