We Sell Mats Uppercase and Lowercase 72 Sq. Ft Alphabet and Number Floor Puzzle-Each Tile 12"x12"x3/8" Thick with Borders Playing with letters and numbers influences learning. The individual 12" foam squares are colorful, washable and provide a cushioned surface. Includes 26 uppercase letters and 10 numbers and 26 lowercase letters and 10 numbers that pop out for hours of learning fun. Straight borders included give the mat a finished look. Covers up to 72 sq. ft. (9' x 8' area) and made of high density EVA foam 10mm (3/8 inch thick)