nonwoven insole board 1. Durable,Not easy to change,keep no stinking 2. Good for one's health,Help for one's blood cycle. 3. Wear-resistant,Good air ventilate,Environment-friendly,Hygiene. 4. Inflection resistance,Keep dry,dipersal feet sweat stain which enhance foot comfort.Usages:Main uses for innersole in sports and leather shoes,the board of briefcase and suitcase