Blacksea Leather is based in Turkey and lists Handmade Leather Messenger Bag and Bomonti Handmade Leather Messenger Bag on Global Trade Plaza. The company lists 2019 as its year of establishment. The products are made of vegetable tanned full grain leather with suede leather interior lining, adjustable shoulder straps, spacious interiors with zipped and phone pockets, suitable for tablets, unbreakable steel accessories, and personalization options. Measurements are provided in both inches and centimeters.