17 may result in more complete loading and or unloading of the sampling bag 40 the contacting surfaces on the top additional plate 18 as well as bottom panel 13 comprise an adhering means the embodiments of the sampling device shown in fig1 and 2 may be used with conventional or standard sampling bags or specially designed sampling bags embodiments of the sampling device may comprise removable and or changeable panels or a set of removable and or changeable panels the panels in the set may be of different size shape or include a different adhesive for example an embodiment may include a kit of multiple sized panels so the panel may be changed to be more compatible with the size of the desired sampling bag for example a smaller panel may be removed and replaced with a panel comprising a larger surface area than the surface area of the sampling bags flexible wall the embodiments of the sampling devices shown on fig1 and 2 may be moved away from each other not only by the hands of operator but by other biasing means such as but not limited to weights springs an electric motor or other biasing mechanisms as described in fig3 another embodiment of the sampling device is shown the sampling device 10 of fig3 comprises two panels u2014 top panel 12 and bottom panel 14 made from a flexible material with shape memory embodiments of the invention may have a cross sectional shape in the general shape of a cylinder oval a portion of a circle or a portion of an oval the flexible material for those panels may be selected from a group including but not.