The closure mechanism on this briefcase is a zipper. This briefcase is made exclusively from polyester and it holds 18.5 litres.
From Viking Direct
Samsonite Laptop Bag GuardIT 2.0 17.3 Inch Polyester Black 43 x 10 x 32 cm
The product is available from £50.44 at international stores.
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Laptop Case Samsonite Guardit 2.0 Black 10 x 43 x 32 cm
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Laptop Case Samsonite Guardit 2.0 Black 10 x 43 x 32 cm