Use a bag such as this one to make your commute to work a bit easier. It comes in three different colours, including black.
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HP - PC Campus XL backpack, Unisex-Adult, 16.1, Black
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Tablet Backpack HP Mochila HP Campus XL con patrón de mármol Black
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Tablet Backpack HP Mochila HP Campus XL con patrón de mármol Black