The rainbow color mats are recommended for normal or intensive school use. They are designed to make pathways for rhythmic tumbling. When lined up they can be used to judge jumping distances or used for throwing exercises.Firm and foldable. Made from ultra-firm polyethylene foam, identical to tatami Judo mats. Soft, pleasant vinyl cover. Fitted with cloth hook and eye strips for placing them side by side. Securely sewn to prevent any contact with the foam. Fitted with a non-slip base. Fire-retardant fabric. For indoors exercises only. Playing mats for children. Perfect for motor skills activities. Space saving, can be folded in 4. With a thickness of 5", it measures 94.5"L x 47.25"W.