Great for identifying shapes, the 6' x 9' Lots of Shapes Rug also provides a fun seating space for a classroom of 30. Constructed using the highest density nylon fiber, edging is tightly bound and double-stitched for maximum strength and durability. The backing features a high-performance Action Bacª system for skid-resistance to keep rugs safely in place. A Scotchguard¨ stain protector is applied and rugs are treated with Force 5 anti-microbial agent to shield against odor, mildew and mold. Printed using a state-of-the-art digital technology at 645 DPI, ECR4Kids rugs feature the richest, most vibrant, and crisp images in the industry.