Highest Quality Alphabet Letters Educational Foam Puzzle Floor Mat for Kids + 26 Large Square Tiles, Each 12" x 12", 0.5" Thickness 26 large square tiles covers up to 26 square feet The individual 12" foam squares are colorful, washable and provide a cushioned surface Includes 26 uppercase letters that pop out for hours of learning fun Exposure to alphabet letters improves learning Made of high quality and high density EVA foam with 0.5" thickness