DNA double helix keychain with a microscope charm is a great gift for a science major, or medical student. Give as a gift for graduation or any other occasion. The DNA charm is about 1.5 inches long.

• DNA double helix keychain with a microscope charm is a great gift for a science major, or medical student.
• Give as a gift for graduation or any other occasion.
• The DNA charm is about 1.5 inches long.
• The charms are zinc alloy.