DIAMOND SOF-TREDâ„¢ MATTINGS DIAMOND-PATTERNED SURFACE OFFERS EXTRA TRACTION AND THE DENSE CLOSED-CELL VINYL SPONGE CONSTRUCTION OFFERS EXCEPTIONAL COMFORT HELPING TO RELIEVE BACK AND LEG STRAIN THE EXCLUSIVE DYNA-SHIELDÂ-ENHANCED TOP SURFACE RESISTS ABRASION GREAT FOR LIGHT TRAFFIC AND EASY TO CLEAN BEVELED EDGES ON ALL 4 SIDES OF MAT MINIMIZE TRIPPING MODEL 419