From Protec:
 
Protec’s new modern and lightweight gear bag is able to convert to a backpack or a brief. Featuring 3 large storage sections, the insulated main storage section is designed to protect instrument cases, larger electronics, and much more!
 
Weather-exterior exterior: Made of extremely durable 1680 ballistic nylon.
Backpack straps: Comfortable padding, sternum support, zippered tuck-away pocket, and strong lightweight clips.
Shoulder strap: Features a large adjustable shoulder pad and strong lightweight clips.
Backside luggage pass-through strap.
Topside handle: Convenient grab handle made of padded seatbelt material.
Carry handle: Super comfortable padding with high grade webbing.
Top pocket: Soft microfiber-lined mobile phone pocket.
Front compartment: Stores larger documents and multiple pockets stores cables, and smaller accessories.
Middle compartment: Large padded laptop storage and a tablet sleeve.
Main compartment: Large and versatile, perfect for protecting instrument cases, larger electronics, and much more! Quilted microfiber insulations helps stabilize temperature to protect sensitive gear
Long-lasting zippers: Custom-designed strong zippers. Main compartment zippers features a lock hole.
Responsibly made: All materials tested to be free of Lead, DEHP, PAHS8, DBP, and BBP.
Exterior Dimensions: 17.50 x 12.50 x 6.00 – 7.00″  (444.5 x 317.5 x 152.4 – 177.8mm)
Front Pocket Interior Dimensions: 17.25 x 12.25 x 0.75″  (438.2 x 311.2 x 19.1mm)
Weight: 2.6 lbs; 1.18 kg