Precision Medical offers the most unique cylinder bags to accompany the most unique conserver. Along with our standard M6 bag, we offer 2 bags designed to accommodate 4 different cylinders with a simple unzipping. They are made of polyester with foam backing for added comfort. On all our bags there is a pocket to carry extra cannulas and an adjustable strap for convenience of carrying the bag either vertical or horizontal. The bags also have a mesh panel for added safety and openings for the cannula on either side of the zipper.