- Briefcase - Handcrafted in Portugal - Vegetable-tanned leather exterior (tannery: Italy) - Cotton twill lining - Inside: flat pocket - Suitable for 13-inch computers and tablets - Silver metallic details - Dimensions: 24.5 x 35 x 4.5 cm Ethical and sustainable, vegetable tanning is a natural process using tannins found in the bark, leaves, seeds or sap of plants. This healthy method respects the environment, ensures supple, strong leathers and reveals deep, nuanced hues. Your article will develop a beautiful patina over time, with a few rough edges for a unique finish.