Ideal supplement to all treatment programs. Carrying handle allows patient to carry mats. Bonded foam filler with durable vinyl cover. 24” wide 60" long 1" thick 80 ILD polyurethane foam ILD stands for Indentation Load Deflection. It is a standard measure to show the hardness of the foam. Here it means that the foam will need 80 pound of pressure applied on a surface of 50 inches square to collapse the foam on 25% of it's thickness.