ALL ALUMINUM, FLOOR,CEILING,WALLS, WITH WOOD ROLL UP DOOR IN THE BACK THAT WORKS BUT NEEDS SOME REPAIR AND A METAL FRONT CAGE. FLOOR IS 14 FEET 4 INCHES LONG AND 6 FEET AND 11 INCHES WIDE, TOP IS 18 FEET AND 2 INCHES LONG. MAKE A GOOD SHED ,YOU MUST LOAD