Perfect size and height for my needs....store a 42" lawn tractor.  It also has an attractive appearance.  It is just way too light unless secured with a concrete pad or pressure treated wood timber base and then plywood as an anchor for their composite floor (which, of course, means additional $).  Also, the round floor "dimples" they include, at each end, to attach their floor to the concrete/plywood are in questionable locations (depending upon your self-built frame.