HemingWeigh Kids Multicolored Interlocking Puzzle Play Mat - 36 Tiles - Soft and Safe EVA Foam - Excellent for Day Care's, Play Rooms, Baby Rooms, and playgrounds 36 Foam solid tiles and 26 border pieces, No removable letters or numbers Each Square measures 1 square foot, When using all 36 tiles,Puzzle Mat will cover 36 Square Feet BPA and Phthalates Free, Safe, soft and durable, Easy to use with colorful interlocking tiles Excellent for Day Care's, and Play Rooms, Baby rooms, playgrounds, etc. Great for child's Hand Eye Coordination and Visual Sensory Development.