It's fabric, spray adhesive, a rubber rug backer. I folded over and hot glued the edges. I then applied two good coats of water-based satin poly. The result is a water-proof/ spill-proof kitchen accent rug that keeps my tile floor protected.
DIY Sewing Projects for the Kitchen - Fabric Napkin Bread Warmer - Easy Sewing Tutorials and Patterns for Towels, napkinds, aprons and cool Christmas gifts for friends and family - Rustic, Modern and Creative Home Decor Ideas http://diyjoy.com/diy-sewing-projects-kitchen