Mat formed by polyurethane foam of density 20 or 26 kgs - m3 or failing agglomerate sheets of 100, 150 and 200 kg - m3.All this covered by plasticized canvas of pvc class b2 fireproof of first lacquered on two sides whose approximate weight would be 618 grs m2.The values of this sheath would be:warp traction 230 daN-5 cm, warp tear 25 daN and weft tear 20 daN, adhesion 10 daN-5 cm.It has double seams made on the inside of the case or the outside is free of any harmful point.The closure of the same is done by means of a safety zipper protected by double flap to a length and width of the mat itself.It includes reinforcements in the corners, metal pots for air outlet and removable handles for easy transfer.The use of the mat can be done on both sides.