MEDIUM (3/8 X 5/8 INCHES) ON A 18 INCH CHAIN.
LARGE (1 X 7/8 INCHES) ON A 24 INCH CHAIN.
MEDIUM STERLING SILVER MEDAL ON A STERLING SILVER CHAIN OR 14KT GOLD FILL MEDAL ON A 18 IN. GOLD FILL CHAIN.
LARGE MEDAL COMES ON 24 INCH RHODIUM OR GOLD PLATED CHAIN.