... FOAM): mainly used in insole for medium and top grade shoes, case also ok. advantage: eco-friendly, breathable, durable, antibactreial, sweat ... (ORTHOLITE): mostly used in insole for medium and top grade shoes, case, sport equipment etc. Advantage: washable, eco-friendly, breathable, durable, ... kg/m3 is available, is suitable for mattress, pillow, insole, case, mat etc.4)MDI FOAM: such as M80,M100 5 ...