Made of best quality non-tear water proof thick fabric, P.U. foam. Especially designed for smooth and soft landing as per new IAAF 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. The mesh top allows the desired escape of air which provides maximum compression on landing. Consists of three base units and one top pad with four side handles on each base for easy carrying.