18 Interlocking square mats of 11.8"*11.8", the thickness is 0.39", covering an area of 16 sq.   ft after assembly.   Blue.   EVA mat is made of high-quality raw materials to ensure product color and gloss.   Made of safe, soft, durable foam.    BPA-free, phthalate-free, lead-free, environmentally friendly and non-toxic.   Used to protect the floor, build a comfortable and safe baby play area, as a protection mat for yoga, exercise, etc.    Suitable for living rooms, children's rooms, nurseries, gymnasiums, garages, basements, etc.   Can be easily cleaned with a damp cloth and neutral soap, the interlocking function and portability make it very easy to assemble.