Hollister - Vented Leg Bag with Straps and Tube with Lever Style Valve is a vented, pleated leg bag that allows for greater liquid capacity without adding length to the bag. It comes with vacuum relief extension tubing and a pair of fabric leg bag straps. This soft vinyl catheter bag has an anti-reflux valve to prevent urine backflow and an easy to use lever drainage valve. Choose from a 19 oz or 32 oz size.