Leather Dopp Kit | BlackIL BISONTE This dopp kit is made from vegetable tanned cowhide leather and features a wide opening with a waterproof canvas lining and a top zip closure. Made in Florence by the best artisans in the world produced exclusively by master craftsmen. Natural, soft and resistant to wear, vegetable tanned leathers are processed using an ancient process that uses tannin, a 100% natural powder extracted from the bark of chestnut and quebracho trees. Cowhide