Never used, brand new gym flooring from Fitness Depot, can also be used as flooring in a garage or basement room. Interlocking mat pieces in Black/Gray 2 x 2 x 3/8" - 16 border, 5 corner, 9 middle interlocking pieces. Purchase additional pieces if needed from Fitness Depot. Total cost of pieces for sale (@ 19.88 per) was $667.
