USA GEAR Satchel Bag Malette Transport Tablet Lenovo Yoga B8000 / Apple iPad Air / HTC Google Nexus 9 / Archos 70 Cobalt / Sony Xperia Tablet Z2 And more models (Electronics)
This bag is perfect (pro surface 3). Lots of storage, good quality. I can take all my hardware in such a small size! For cons, I do not think the pro surface 3 + case come within the bag. Only downside, there is no specific place to store the stylus.