... resistant,alkalifast 4)Flexible,filter dust,liquid,air 5)Good foam 1.Company Introduction:Guangzhou Yonghao Plastic Shoe Material Co.,Ltd, located ... product. Let'us see as follow:1)FOOT-YOU FOAM ( POLY YOU FOAM): mainly used in insole for medium and top ... advantage: eco-friendly, breathable, durable, antibactreial, sweat absorbing.2)PU FOAM(ORTHOLITE): mostly used in insole for medium and top grade ...