This scraper Mat is made With polypropylene & tire crumb. The anti-slip crumb finishing gives extra grip to the floor & prevents movement of the Mat. This mat has a soft surface & a rubber waterproof backing to prevent damage to your wood floors. Trap the dirt, mud, & water before it gets To your carpet. Stop dogs, cats & pets from bringing dirt into your home. Put your Mat inside the entry & keep kids from bringing dirt into your home. Simply shake, brush or vacuum for easy cleaning.