Welcome to YT! I know you can't wait to get your little yorkie baby!!
I have 5 girls
Kissy is 8.5 lbs. and 11" long
Angel is 6.0 lbs. and 10" long
Meiah is 5.0 lbs. and 10" long
Candy is 4.5 lbs. and 12" long (my little foot long hot dog)
Princess is 2.75 lbs. and 9.5" long
Kissy and Mieah have more of the square shape but the others are my little empty paper towel rolls!
You should check the breeders on this site. We have some amazing breeders here.
Good luck finding your new furbaby!!