After you choose a nail style, I will set up a sizing kit with one of each size in the set and mail it to you, ensuring you get the perfect size for each of your nails. You will need a sizing kit for each style of nail you are interested in (you will only need to size for each style once, I'll track your size information for future use). *****SHIPPING. Sizing kit will be prepared and mailed out within three business days. ****ships to US only.