This creation, which includes at least, has the bag body of a tool accommodating space and a sealing group to set the hollow form frame mouth seat at what bag body sack edge, wherein, the top surface width of frame mouth seat is non-wide design, and what frame mouth seating face is distributed with several radial guide portions, and its appropriate place of what is provided with the limiting groove of arbitrary shape, is used using the sandwiched limit as bag body neck regions in reflexed Hou.本創作至少包括有一具容置空間的袋體、以及一封合組設於袋體袋口緣處的中空狀框口座，其中，框口座的頂面寬度為非等寬的設計，且於框口座表面分佈設有數個呈放射狀的引導部，並於其適當處設置有任意形狀的限制槽，以作為袋體頸部區在反折後的夾置限位之用。
