The rubber matting is designed with sharoply pointed corrugations running lengthwise. This is also the product for those who must have rubber matting. Also available in heavy duty, with trice the thickness, 316. All our mats come in a multitude of colors including: Marina Blue, Brown, White, Terra Cota, Gray, OSHA Orange, Olive Green, Black and Clear. Thickness and roll lengths also vary. Contact us for more information and exact specifications.