The answer is evidence seals in which these are helpful because they are very hard to take out in deprived of breaking. In addition, all evidence surrender to a forensic laboratory should be located into a container that is appropriately sealed. The characterization of a proper seal is a container of evidence that is protected to avoid access to the contents. If and when admission is made then the sealing mechanism will be broken. Sealing is done to prevent tampering. The seals that are typically acknowledged are the tapes, heat sealed packages and packages with tamper proof seals.