Abstract: An apparatus (10) for bagging material into a stretchable bag having an open end, comprises a movable bag stretching structure (18) displaceable between a first position for receiving the bag and a second position for holding the bag in a stretched state, wherein said stretching structure (18) is provided with elongated corner members (70, 72) for accumulating the bag thereon, each of said elongated corner members (70, 72) being provided with a movable strap-like member (210) extending along the length of the corner members (70, 72) to facilitate loading and unloading the bag on and from the corner members (70, 72).