The ProSource Kids Solid Puzzle Play Mat creates a brightly colored, comfortable and safe play area for children wherever you have hard floors. Colorful puzzle pieces and borders will help promote your babys brain growth and development, making it ideal for homes, child care providers, schools and churches. The gently textured surface provides a non-slip grip for extra safety and the 3/8-inch thick high-density EVA foam provides durable cushion for your child. Its also water-resistant, making it easy to clean and keep free from odors. It covers a total of 36 square feet when fully assembled or if you prefer a smaller piece to make it convenient for your space, the 16 square feet can accommodate your needs when fully assembled. The mat can be customized by using only some of the tiles for smaller areas, or by purchasing an extra set to create a larger play area. Each tile is approximately 12 square inches and it comes with 24 border pieces for a finished look. Soft but firm interlocking pieces are easy and quick to assemble or take apart in case you need to quickly store it away or move it to another room. The lightweight play mat comes in a zippered bag which you can keep to transport or store your mat. This mat does not contain any toxic phthalates.