Yeah i have used them several times. Really fast customer service too, just email them if you're not sure.

Hi, I'm a Canadian glassblower and just recently learned about bitcoin. I'd like to start accepting it for orders now and figured I'd see if anyone was interested. Please check out my instagram http://instagram.com/waltercglass for some examples! I can ship to most states and anywhere in Canada. Can make something with most any colours you want, just ask and we can figure out a design.

Thanks for lookin, have a good one!