Polyester Rolling Wheeled Duffel Bag Travel Duffel on Wheel (30", Black) 30" Rolling Duffle Bag. Color:Black. Material: 600D Polyester. 2 of Inline Skate Wheels Spacious Main Compartment. Dual Front Pockets. Zippered End Pockets. Reinforcing Straps on the Top Corner trimming pipes. Adjustable Shoulder Strap. Dimension: 30"(L) x 14"(W) x 14"(H). Weight: 7 lbs.