EVA letters and numbers puzzle mat gives your child a safe, comfortable place to play and learn at the same time. QT MAT EVA puzzle mat is an easy-to-assemble puzzle mat that provides a protective floor for any hard surface. Item comes with 36 tiles in 6 colors and 24 end borders. Each tile measures 12"x12"x0.4". Each square = 1 square foot; total coverage 36 square feet (6' x 6' area).