Reference brand for this kind of case to store vacuum Compactor offers a thick, solid plastic. The valve correctly held once closed. There is no stopper for stopping the slide to close the bags, so that in the movement, the slide leaves the rails of plastics, it is necessary to recover. But it is not difficult. The largest case is ideal for 2 persons duvet, the other 2 covers are suitable for quilts for 1 people or more pillows. Ideal to have space in his closet.