The product is a set of 16 square EVA floor mats in a multicolor design, measuring 11.8x11.8 inches each. These interlocking puzzle exercise play mats are designed for kids to engage in fitness and gym training activities. They are made from EVA and foam materials, featuring a waterproof and non-slip surface that is easy to clean and non-toxic. Perfect for both gym and yoga activities, these mats provide a safe and comfortable space for children to play and exercise.