The pin is 3d printed in PLA Plus filament, providing a durable product that will last for years. The pin comes with a large and a small interchangeable ring insert; the ring insert will accommodate ring sizes from 5 to 14. each pin come with two tags, a 300 Game and an 800 Series, that are secured in place with the provided double-sided tape. The ring inserts are made of rubber and securely hold the ring in place. The ring inserts snap into the recess, no tape needed. The pin is designed to showcase that perfect 300 game or 800 Series ring for all to see and admire.