IIT 16733 Industrial Tool 12" x 12" Anti Fatigue Floor Mats, 8 Piece, Black Diamond plate finish provides extra traction Non-slip coating and water resistant for safer working conditions Provides comfort and protection for children's play areas Each square mat covers 1 square foot of floor space for a Total of 8 square feet Thick 5/16 in mats provide extra cushioning to avoid foot and back fatigue