Antiskid mat, and used in bridge, sidewalks. 1. The thickness: 5 mm ,10 mm, 15 mm 2. Color: black, yellow, and green 3. Speci Antiskid mat,and used in bridge, sidewalks.1.The thickness: 5mm ,10mm, 15mm2.color:black,yellow,and green3.specification:60x60cm Joining together mat