✦ Durable construction. ✦ Has folded sides to increase volume capacity without adding length. ✦ Extraordinary leg strap connectors strategically placed for more comfortable wear. ✦ All drain valves closes and seals securely. ✦ Large buttons for easy attachment.Cruzine Leg Urinary Bag has a capacity of 700ml and A leg bag is attached directly to the catheter tube. It collects all the urine produced during the day and becomes heavier as it fills. It shouldn't be allowed to become too full as this carries the risk of pulling out the catheter.