is this their website?
Yorkie puppies for sale Moon Lark Yorkies - Available Puppies
if so they are a lot of red flags....they are USDA license (commercial breeder/puppymill)....breed more than 1 breed (maltese, aussie, shih tzu, yorkie)...use the word teacup as a means of advertising....i would walk the other way if i was looking....just my 2 cents