Netpack 30" Travel Light II Wheeled Duffel (Black) Made of weather-proof 600-denier polyester with moisture resistance laminated vinyl including piping. Heavy-duty telescopic handle and gripped webbing handle at both ends. The u-zipper top opening makes packing and unpacking fast and convenient. Two generous front pockets provide even greater packing capacity. Roller blade skates ball-bearing wheels are made to carry heavy baggage.