Sturdy wheels for increased hauling and load capacity;Removable cargo compartment provides handy storage and organization for your gear;Cover made of 600 x 600D oxford cloth with PVC waterproof coating;Versatile coupler attaches to most bicycles for convenient use;Overall Dimensions: 55L x 23.5W x 36.25H; Inside Dimensions: 22.75L x 15.5W x 12H