Solid, wood, construction, insulated all four walls, floor, and ceiling . Hand painted.(grey or tan ) with white trim. Comes complete with asphalt shingles and carpeted floor to keep pets warm and dry . optional 400 W hound heater available.  medium.36”Hx36”Lx26”W  $250 with heater $400 .  large 48”Hx48”Lx34”W $350 with heater $500. Extra large.48”x48”x48” $450 with heater $600  call or text Mike 801-710-0752