Black and White 3x3 indoor/Outdoor Dance floor, SNAPLOCK- Installed & Removed by us - Please do not take apart.  ***IF SET ON UNEVEN GROUND (INCLUDING GRASS) THIS MAY REQUIRE A SUB-FLOOR.  THE SUB-FLOOR IS AN ADDITIONAL CHARGE CALCULATED PER SQ FOOT OF SUB-FLOOR NEEDED. TRIM WIDTH  FOR DANCE FLOOR IS 6IN