All 26 letters are represented in upper and lowercase on this design. These letters are ideal for teaching letter recognition. Happy World will brighten any classroom and because of it's durability, can also be hung on the wall as a visual aid. This rug is part of the Washable Value Collection that features skid resistance backing for added safety. Anti-static, passed class I flammability rating and indoor air quality certifications, treated with scotchguard Protector to be protected from stains. Made in the USA.