We Sell Mats Interlocking Anti-Fatigue EVA Foam Floor Mat Borders are included in each pack Each pack comes with six new light gray tiles Each tile measures 2' x 2' for a total of 24 square feet per 6 tiles Thickness for each tile is 3/8" or 10mm Provides a cushion to hard floor surfaces in gyms, exercise rooms, trade shows, playrooms and more