All Alumium and Steel; never have to buy another Deer Stand and watch yours go up in VALUE The two I show are clearance Specials. They are lined on the inside to controll bug infestation( Wasp- Bees- Rats- scorpions)with Cedar. fully insolated-doors that lock; one has 3 windows tha open and the other has four windows that open for shooting. Sound proof and one has a bench that can be lowered and used as a bed, or raised and chairs or stools put in. Seats 2 to 3 men comfortly one is 72"X38"x84"; the other is 72"x36"x60".