1ml single dose ampoule x 100mg/ml of Testosterone Propionate. Each ampoule imprinted with 3 rings on top Red, Yellow, Red with a red dot below. All wording are imprinted. Each innner box contains 3 x ampoules in a plastics insert with keifei® on it. Each pack 3 ampoules comes with 1 set of 10digitd authentication codes paste on the box.