DNA Transport Pouch 7 3 4" x 3 1 2" 100 pk A 2627 Just squeeze the trigger and The Power Pack provides Just squeeze the trigger and the two compounds are forced through a mixing tip and are dispensed onto the surface Marking evidence and other items of interest at night is made easy by using SIRCHMARK™ The large surface area provides ample room for labeling or barcoding the transport pouch making the sample easily identifiable without having to open the transport pouch The self seal adhesive prevents the user from having to moisten the envelope closure and eliminates the risk of additional contamination resulting from saliva contamination during sealing