Material :Zinc Alloy Size:3.1 x 0.8 / 1.2" x 0.31" This syringe pin is cartoon cast with enamel and nickel plating, Wonderful for doctors,midwives,nurses,assistants,veterinarians and all those students waiting to be able to wear one of these! It makes a perfect gift. Decorate your clothing,dress,trousers,Canvas bag and anything you want.