I did this as a test, and I'm actually going to use it. The print is clean and sharp, and it turned out exactly as I expected.
Clean, crisp, colorful print
It's actually a pro in my case, but the blue that I chose for the background was displayed darker on my computer screen. I love the blue that I got in the mail, but be warned that colors on screens vary! If you're worried about how it will print, look at your image on a few different screens before you send it in.

I've wanted a messenger bag to carry around with me at anime conventions, because I was tired of searching for a specific item while I was carrying a drawstring bag. I considered buying a bag from the various dealer's rooms, but couldn't find a design that I liked. After searching various sites for a custom bag, I settled on this one and I'm really glad I did! This bag was also a lot less expensive than those sold at cons which is always a win in my book!
Image looks holographic, which makes it pop and stand out more; very nice print. Bag is nice and deep so I can carry various items but opens wide enough so nothing inside gets lost. Pocket perfect for protecting valuables is a big plus for me too!
Bag is not as big as those sold at cons, but is acceptable for my needs.

I got this bag to promote my website while at conventions and events. It is really eye-catching and a great conversation starter.
Bright, vivid print and plenty of pockets to carry essentials like phone and business cards
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My design was sent out on April 1st and it arrived on April 18th! And here I was expecting to wait a full month. The bag itself was under two layers- a plastic bag and some packaging. There was a fold on the side where it probably got beaten up in the mail but it doesn't really impact the bag's performance. The print is on this sort of smoothish polyester fabric and the colors are slightly deeper than what was on my screen (this is normal for printed things because of CYMK vs RGB) lots of storage space and an adjustable strap in case you wanted to sling it over the shoulder or carry it by hand. Versatile and would order again!!
HQ print, excellent design, adjustable strap
Side came a little folded so it'll be a little hard to unbend the crease

Love. Love. Love.......
Great quality print! Lots of room, very happy with all the storage pockets!!!
The material is a little easy to tear. Put a pin in it and it tore a little. But not bad, and its still a great bag.