My Description: In great condition and a much lower price! 52 Tiles Amazon Description: Easily clean the puzzle mat by wetting a towel or soft cloth with warm water and household soap. Rub the mat gently. Apply mild laundry detergent solution for tougher stains and let it air dry or gently wipe with a dry cloth. Use the tiles to cover large areas of 6' x 6' and use the tiles option to cover smaller areas of 4' x 4'. Achieve a finished, polished look with the border pieces and customize your space with the easy-to-use interlocking pieces. The lightweight design will transform any hard floor into a comfortable area for children of various ages.