Voyager Commuter Laptop/Office Shoulder Bag with rear bike rack attachment (like a pannier) 18"wide x14"x 9" Portable 2 Wheel Laptop/Office Carry-On Bag Carry on size Fits 15" laptops Weighs.5 lbs Carry handle / shoulder strap 3 Interior zippered organization sections including a middle padded laptop compartment, large rear compartment for office docs & folders and front organizational panel contains pockets for electronic device Extra space for iPad (photo 3) Rear Clip attaches to any size rear bike rack, easy on/off (Photo 4) With waterproof rain cover Excellent condition with no use or wear or bike use $120 Firm *****************************************