Meets carry-on size restrictions for most airlines (21.3H X 13.8W X 9.1D inches)Padded laptop and tablet sleeves inside main compartment of Daypack (fits up to most 15" laptops)Easy to pack, side opening main compartment has a tough #10 YKK zipper with lockable sliders for extra securityRear panel zip to Daypack main compartment allows access even when paired with Cargo BagHidden zippered pocket behind shoulder harness offers secure storage for passport, tickets, wallet, phone and other valuables.Dual internal compression straps with fabric wings keep clothes neat.Included shoulder-carry strap tucks away into liquids pocket