Protective flooring - durable, high Density foam provides a Gentle surface and protection for your child in areas with hard floors | Easy Assembly - interlocking puzzle pieces are quick & simple to Assemble, easy to pull apart for storage and painless to clean | 16 SQ. Feet - 16 interlocking 12"x12" puzzle pieces with 24 border pieces, covers a 4'x4' area when combined; or just use a few tiles to cover a small area | Visual stimulation - bright primary colors help to stimulate your Child's brain growth and early childhood development | Safe - soft, textured EVA foam is free of Toxic phthalates and creates a soft, comfortable play area for Children of various ages | Included Components: Kids Puzzle Mat