A great choice for practical and economical anti-fatigue support. Tuf Sponge is made from strong PVC blown sponge with an attractive ribbed surface. Tuf Sponge floor mat runners can reduce floor hardness up to 50% adding safety and ergonomic support for standing workers. Can easily be cut on-site to fit your work areas. On sale and in stock at MATSonline. Available in hard to find sizes, cut lengths to 75 Ft.