Sampling Lances has common and time proven methods such as sacks,boxes,bags,etc which is used to take samples. n uncomplicated manner.It can be close-it has been especially developed for this purpose. The label seals hermeticall, and is also used for providing quality control information.The rear of the label is coated with a powerful adhesive. This means that close-it sticks firmly to most commercial containers, even to surfaces coated with fine powder, slightly moist or even frozen surfaces where conventional labels or adhesive tape without sticky.