DUO is an intriguing series of double layer briefcases for 7'' and 9.7"-10.1" tablets, available in several colour versions such as brown and lemon, brown and black as well as black and blue. An attractive appearance is guaranteed by specification, position and fabric texture.The first inside layer is a dense foam resistant to mechanical damage. The second layer is a peculiar rubber coating with small diamond-shaped openings. Due to these two layers, hence the name DUO, the briefcase provides perfect protection whereas colourful design and interesting texture of the outside layer add a futuristic note to this collection.Resistance and reliability of the DUO collection briefcases are achieved thanks to a fabric used in production of professional sports clothing. However resistance and design are not all the assets of the collection. The DUO collection is equipped with the top quality zip protecting a device against outside and inside damages as well as a smaller front pocket which can hold necessary small accessories. Such a briefcase can be placed in a sports bag, travel bag or handbag as well as used on its own as an independent cover comprising an interesting accessory to match sports clothing or casual style.