I ordered the 13mm set not too long ago (August 3rd...shipping isn't the best but it's from Singapore so I can't really complain for the price you get them for) and I love them. Got them this morning in the mail. I'm not really nit-picky about glass quality per-say, but these are some pretty solid pipes. Hooked them up with no problem and they look gorgeous. The shipping was pretty good as well. My only problem with Aquatic Magic is that you have to contact them to get a tracking number; they won't just give it to you in your email or on the order status page. Just giving my 2 cents if you're considering buying lily pipes.