The sequential alphabet features upper and lower case letters with a matching icon in each square. Numbers and shapes make this a great multipurpose rug that can be used for a variety of lessons and a great tool to encourage learning. The large seating spaces provide a great tool to organize your classroom for circletime, story time or anytime! This carpet has a lifetime abrasive wear warranty, a no fault edge warranty, and is treated with advanced stain protection. Green Label Plus: All Carpets for Kids® carpets meet the CRI's Green Label Plus certification, the most stringent testing standard in the industry. Made in the USA.