90" wide smooth aluminum transition flap can be cut down for smaller width trailers. Includes full length welded on aluminum hinge for easy installation. Gap filler is 10-3/8" long with hinge. Main body is 9" long and has a break at 2" to allow for a cleaner angle of approach. Overall width is 90". This transition flap installs on the floor inside of enclosed cargo trailers and flaps down over the gap between the floor and the top of the ramp so it is easier to roll items over without getting stuck in between. This item is 3/16" thick.