1.stiffer hat interlining 3438SHF 210s, 34*38 hard handfeel EVA, 3.for hat, wristband and footwear 4.best price stiffer hat interlining with best price and good qualityBase cloth: 65% polyester+35% cottonGSM: 200-250g/M2Construction: 10s, 34*38 Width: 110/150cmCoating: EVAHandfeel: hard, stiff, stifferColor: off white, white and black....Performance: average water wash, strong bond to the fabric, ...