NBA Boston Celtics Travel Sling Backpack, 19-Inch, Black 1680D Ballistic Nylon Imported Material: 1680D Ballistic Nylon main body Large Padded Laptop/Tablet compartment holds up to 13.5 in laptop size Opti-Aire Padded 3 inch + wide Adjustable Shoulder Straps with D rings and Sternum Strap for comfort Material: 1680D Ballistic Nylon main body Organizational Front Compartment