Coloplast® Contoured Urine Leg Bag with Antireflux Valve and 18" Tube 21 oz, Medium, Non-Sterile, Includes pre-attached, Adjustable, Antikink Tubing, Secure, User-friendly Closure, Soft Cloth Backing and Low-Profile Contours Coloplast® Conveen® Security+ Contoured Leg Bag with 18" Tubing. Deluxe leg bag with pre-attached, adjustable, antikink tubing; secure, user-friendly closure; antireflux valve; soft cloth backing and low-profile contours. Low-profile design hugs the leg for ultimate discretion. Soft, absorbent fabric backing keeps skin cool and dry. Antireflux valve prevents backflow. Latex-free straps are constructed of soft fabric for greater patient comfort. Durable, reinforced channel linings provide extra security. Packaged complete with straps and pre-attached, ant-ikink tubing for simplified ordering. Latex-free.