58" long x 12 1/2" wide x 7/8 thick. The sleeve board is hinged so, it can flip out of the way when not in use. When folded / collapsed, it measures 61" x 17" x 6 1/2. It has wear and tear that is commensurate with it's age. Of note - one end corner of the board is chipped off.
This item is made of wood and nuts, bolts, metal supports.