double holds better and also creates more space. eastpak delivers with the parton backpack a slim backpack, which provides with its 32 liters volume, enough storage space. the separated arrangement of the main compartments keeps your essentials organised and quickly accessible. two small outer pockets create additional space for things you want to have ready to hand.a small hidden zippered pocket on the back is perfect for your passport and other essentials. aside from the great features, the parton was made completely free of animal products.