The closure is made super-easy with a zipper. There are several ways to carry this bag, one of them being a detachable shoulder strap.
From Amazon
Manhattan London Laptop Bag 12.5", Top Loader, Accessories Pocket, Shoulder Strap (removable), Notebook Case, Black, Three Year Warranty
Conrad Electronic
Manhattan Laptop bag 439862 Suitable for up to: 31,8 cm (12,5) Black
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