This product is a .999 silver injection vial containing 1/4 oz (0.25 Troy Ounce) of fine silver bullion casting grain (shot). In addition to the medical-grade sterile vial, it includes a free gram of crystallized .999 silver! *Vial containing 1/4 Troy ounce of silver shot comes with aluminum lid to crimp over injection stopper. These do not come pre-crimped. This is done in case you want to take silver out, add to it,  etc. Can be easily crimped if desired. *Each order comes with a small bag of beautiful crystallized.999 silver (1 gram).