Alchemy Equipment makes sure you’re prepared for your daily adventures with the AEL014 Convertible Satchel in Black Marble. With 15 liters of storage capacity, this bag can function as a shoulder bag, a briefcase or a low profile backpack. In addition to the versatility, this satchel features a front pocket, pen holders and a key fob for ultimate organization. FEATURES OF THE ALCHEMY EQUIPMENT CONVERTIBLE SATCHEL. 15L capacity, fits 15 laptop and documents. Dual function shoulder sling strap converts into backpack. Carry handles can be stowed away. Front pocket, pen holders and key fob for easy organisation. Custom anodised aluminium hardware. Pack Pockets (+ Main Compartment): 1. Best Use: Travel, Work and School, Casual. Pack Capacity: 15 Liters.