COMES WITH 12 PIECESVerséaft.s Party Safe Fentanyl test area form of drug testing technology which may help detect the presence of fentanyl in drugs or other substances. They DO NOT detect the amount or potency of fentanyl.Features Readable results in only five (5) minutes. Only tests for fentanyl No deciphering between substances Same test product used by USA Government agencies and Law Enforcement. Packaged Product Dimensions Packaged Height: 4 in. (10.16 cm) Packaged Width: 6.1 in. (15.49 cm) Packaged Depth: 10.6 in. (26.92 cm)