123 Carpet squares are extremely versatile — 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 Bac™ 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, 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.