Multilok® 1 Portable Dance Floor Set, 18' x 42', 4" width trim, consist of (77) 34" x 34" full panels, (14) 34" x 17" half panels, (36) full edges, (4) half edges, (2) left corners & (2) right corners, for indoor/outdoor use, waterproof & recyclable, aluminum tray and extruded composite base board, vinyl tile finish