123 Carpet squares are extremely versatile, use them to assign floor seating, teach numbers through 30, create tactile equations, play numerical hopscotch and much more! Includes 30 carpet squares that are 16" x 16" apiece. These high-quality carpets fit right into classrooms, preschools, daycares and homes. Constructed using the highest density nylon fiber, the serged edging is tightly bound and double-stitched to prevent fraying or unraveling. 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 state-of-the-art digital technology, ECR4Kids rugs feature the richest, crispest and most vibrant images in the industry. Carpets are CRI Green Label Plus Certified for minimal indoor emissions and have a class 1 flammability rating. Made in the USA.