Rolling Art BackPac. Smooth Rolling 2"Wide Wheels.  Holds Oil  Painter's Package, Watercolor Painter's Package or Pastel Painter's Package.  20"x14"x7.5".  Detachable Day Pack (Unzips from front of pack to use for short sketch or shopping trips). 40" Self Locking Pull Handle. Mesh Pockets on the side. Weight of 5-1/2 lbs.