Alpha-Numeric Floor Play Mat &Atilde;&Acirc;&cent;&Atilde;&Acirc;&Atilde;&Acirc; 26 Alphabet Letters (A to Z) + 10 Numbers (0 to 9) = Total of 36 Interlocking Tiles &Atilde;&Acirc;&cent;&Atilde;&Acirc;&Atilde;&Acirc; Includes 24 Straight Edges For A Clean Finish. Covers 6&Atilde;&Acirc;&cent;&Atilde;&Acirc;&Atilde;&Acirc;x6&Atilde;&Acirc;&cent;&Atilde;&Acirc;&Atilde;&Acirc;. Comes in Zippered Storage Bag INTERLOCKING TILES: Each tile is 12 x 12 in assorted colors. Theres a total of 36 interlocking tiles (26 Letters & 10 Numbers) that covers 36 square feet of 6x6 square area. INCLUDES STRAIGHT EDGES: There are 24 straight edges that are 1" in width. This adds 2" to the overall width and length of the mat. THICKNESS: Our 3/8 thick foam mats protect your child from bumps and bruises and minimizes serious injuries from rough play. MATERIAL: Made of Safe, Non-Toxic High Density EVA Foam. They are durable, water resistant and easy to clean with soap and water. The surface is textured to prevent child from slipping and the bottoms are skid resistant so tile will stay in place. ZIPPERED STORAGE BAG: Convenient storage bag allows you to pack and take the mats with you anywhere.