16.5" Travel Backpack Padded Compartment Fits 13", 15", 17" Laptops Back Support w/ Breathable Mesh & Integrated Air-Flow Channels for Increased Comfort & Ergonomic Support Padded, Adjustable Shoulder Straps Exterior Easy Access to Keys, Water Bottle, Pens, Business Cards, Headphones, Smartphone & more Other Designated Compartments for Eyeglasses, Mini Speaker.