• ANTI-THEFT DESIGN & TSA FRIENDLY With Fixed Password Lock and Durable Metal Zippers, our 17 inch laptop bag is safe guaranteed for protecting your valuable items inside. No need to worry theft easily opening your backpack when you are travelling or lining up. With the instruction card,you dont need to worry about forgetting your code.And lay-flat design is for easily organized and get your items via opening up to 180 degree when through the airport security.