Hi Dennis,
Thank you for your question. The backing on this mat is smooth. However, these mats have a non-slip backing. Please copy and paste these links to view. http://kofflersales.com/p/plush-tuff-entrance-mat.asp?cid=8 http://kofflersales.com/p/waterkeeper-eco-mat.asp?cid=8 http://kofflersales.com/p/waterhog-floor-mat-by-andersen.asp?cid=8 http://kofflersales.com/p/waterhog-masterpiece-select-mat.asp?cid=8
Thank you,
The Koffler Team