. Travel light while making a positive impact on the environment by selecting the compact Dell Premier Slim Backpack 15 made with Dell's Eco Loop solution dyeing process for polyester that generates up to 90% less wastewater 62% less CO2 emissions & uses up to 29% less energy than traditional dyeing processes. EVA foam cushioning offers shock resistance & a lightweight way to protect your laptop. Your laptop & important documents will remain dry in wet stormy weather while inside the backpack that is constructed of sturdy polyester with leather accents & coated with a water-resistant protective material made from reclaimed automobile windshields. Carry the lightweight backpack by the leather cushioned top handle sling the backpack over your shoulders to go hands-free or attach the backpack on top of your rolling suitcase with the trolley strap. Charge your laptop inside the backpack while you're traveling by passing a cable through to a dedicated portable charger pocket..