The bottoms are felted. Kings are 4-1/8" in height with a base of 1.5". This set is suitable for a 15 to 18 inch board with 1.75 inch squares.
This set includes a 15 inch masonite Chess board.
All pieces were cast in Hydrostone (a trademark of the United States Gypsum Corporation), a reconstituted stone material used by sculptors. The pieces were hand-painted to resemble aged ivory, given several coats of acrylic varnish, and then coated with a museum-grade paste wax to enhance their appearance and feel.