Thank you for your message to CWSA™ - The Ultimate Accolade.
The inside core diameter of a roll of medals is ~7.6cm while the outside diameter is different in each medal:
Double Gold: ~12.2cm
Please note that these dimensions may be subject to change.
The striking CWSA™ Medal Stickers are available via here and are an essential part of your quality products marketing and sales...http://www.cwsa.org/sticker-shop/
Entries are now being accepted for the forthcoming CWSA™ competition via here... http://www.cwsa.org/enter/
We wish you success and an incredible season.
Very best wishes,