This bag is made from several materials, including nylon and polyester. It comes in black and you get several storage compartments for all your knick-knacks.
From Viking Direct
Wenger Travel Bag Potomac 17 Inch Polyester Black 43 x 39 x 25 cm
The product is available from £86.16 at international stores.
Conrad Electronic
Wenger Laptop hard case Suitable for up to: 43,2 cm (17) Black