We Sell Mats lowercase ABC/123 Mat Includes 26 lowercase letters and 10 numbers that pop out for hours of learning fun Safe, non-toxic and independently tested FREE of Lead, BPA's and PVC The individual 12" foam squares are colorful, washable and provide a cushioned surface Straight borders included give the mat a finished look. Color sequence will be random Covers up to 36 sq. ft. (6' x 6' area) and made of high density EVA foam 10mm (3/8 inch thick)