As long as it is a Balfour or R Johns ring, there is a lifetime guarantee on sizing.
Put the size it needs to be, a phone number and your return address in with the rings.

Send it to:
Balfour
ATTN: Repair Dept
7211 Circle S Rd
Austin TX 78745

Customer Service:
Martha Noriega
Martha.Noriega@balfour.com
account executive bid college division
commemorative brands, inc.
Balfour
Austin, Texas
512-440-2514          
customerservice@balfour.com


Contact Skip Witttich from Balfour Baltimore office for new orders
http://www.militaryrings.us/coinfo/contact.html
1-800-996-8636