Made of best quality non-tear water proof thick fabric, P.U. foam. Especially designed for smooth and soft landing as per new World Athletics specifications. Comes with spike proof top, Cover made of vinyl coated fabric for extra durability. Top of Base Unit is also covered with Vinyl coated woven polyester mesh fabric for superior strength. Mesh top allows desired escape of air to provide maximum compression on landing. Consists of three base units, each with four side handles for easy carrying and one top pad.