Fiebings - Tandy Leather Navy Blue Leather Dye 2100-11, Alcohol Based Dye Most recognized penetrating, alcohol-based leather dye in the world For use on vegetable tanned or unfinished leather Will not peel, crack or rub-off when fully dry while remaining flexible Also works well when applied with a dry sponge or included wool dauber Use Fiebing's dye reducer to lighten tint and consistency