The Osprey AirPorter Backpack Travel Cover - Small is an excellent option for travel. This cover is designed to protect your pack while you're on the go and doubles as a duffel bag for extra space when needed. The shoulder strap provides a comfortable carrying option but the cover also features side and top grab handles if that's your preference. The zipper opening is large for easy use and lockable to keep your belongings safe and secure. It can be packed into itself for convenient storage when not in use. Osprey AirPorter Backpack Travel Cover - Small