4’ x 8’ Folding Mats feature a multi-colored 1-1/2" specially formulated poly foam, designed for exploratory gymnastics or discovery play for preschoolers and toddlers. Gym mats have double folded seams and hems. Early childhood mats have Velcro fasteners at both ends to fasten mats together for tumbling strips. Mats are also lightweight, making them a great option for children.