ProSource Puzzle Solid Foam Play Mat for Kids - 36 or 16 tiles with edges 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 36 SQ. FEET  36 interlocking puzzle pieces plus 24 border pieces, covers a 6x6 area when combined; or just use a few tiles to cover a small area VISUAL STIMULATION - Bright primary colors help to stimulate your baby'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