plenty of space and function. the doughnut grounder happy camper series backpack offers you plenty of space in its main compartment and side pockets. on the back is an external zipped compartment perfect for your laptop. especially during security checks at the airport, you always have your electronic devices at hand. the detachable chest strap offers a gadget pocket for small items, while the multi-function slots are ideal for storing small items.a backpack for countless adventures.