▁are ▁class ified ▁according ▁to ▁the ▁gra in ▁quality ▁and ▁smooth ness ▁as ▁E . I . ▁T anned ▁le athers ▁of ▁she eps kin ▁or ▁go at sk in ▁that ▁are ▁dy ed ▁with ▁veget able ▁colours . ▁Three ▁le ather ▁types ▁are ▁defined : ▁" P aper " ▁which ▁has ▁a ▁co arse ▁gra in ▁and ▁sp ots ▁is ▁the ▁skin ▁of ▁larger ▁go ats ▁or ▁sheep , ▁and ▁" Bind " ▁and ▁" K id " ▁which ▁are ▁both ▁derived ▁from ▁smaller ▁animals ▁and ▁are ▁of ▁superior ▁quality . ▁Other ▁materials ▁used ▁to ▁make ▁the ▁final ▁product ▁include ▁paper ▁board ▁of ▁varying ▁thick ness , ▁cot ton , ▁vel vet ▁or ▁sil k ▁for ▁l ining , ▁fo am ▁rub ber ▁for ▁padding , ▁natural ▁d yes ▁and ▁spirit , ▁rub ber ▁solution , ▁and ▁ass orted ▁su nd ries . ▁ ▁Process ▁The ▁E . I . ▁t anned ▁le athers , ▁which ▁are ▁market ed ▁in ▁roll s ▁with ▁three ▁or ▁four ▁sk ins , ▁are ▁co ated ▁with ▁a ▁pres erv ative ▁of ▁E ps om ▁salt ▁to ▁in hib it ▁ox id ation . ▁The ▁sk ins , ▁after ▁int ensive ▁was hing , ▁are ▁imm ers ed ▁in ▁a ▁wooden ▁v at ▁or ▁pit . ▁They ▁are ▁then ▁taken ▁out ▁and ▁fl atten ed ▁by ▁pulling ▁and ▁then ▁d ried . ▁After ▁dry ing , ▁designs ▁are ▁drawn ▁on ▁the ▁le ather ▁and ▁the ▁le ather ▁is ▁cut ▁to ▁the ▁required ▁size ▁to ▁make ▁the