High Quality Educational Alphabet Foam Puzzle Floor Mat for Kids - Covers 26 sq ft (12" x 12" square blocks) Covers up to 26 sq. ft. and made of high quality density EVA foam 10mm (.375" thick) The individual 12" foam squares are colorful, washable and provide a cushioned surface Includes 26 uppercase letters Exposure to ABC letters influences learning Made of high quality and high density EVA foam