Bard Dispoz-A-Bag Leg Bag with Flip-Flo Valve 19 oz Medium, Sterile, with Straps, are made from heavy duty vinyl for extended wear, odor containment and leak resistance. These leg bags are available with the Flip-Flo drainage valve which opens and closes with a simple flip. May be connected to McGuire style urinal, Bardic Uro Sheath and most other urinary appliances. Bard Dispoz-A-Bag Leg Bags with Flip Flo Valve are sterile. Provides extra security and ease of use with the patented flip-flo drainage valve. Provides quality, reliability and dependability. Reusable and lightweight. 4 leg bags and 1 pair of fabric leg straps per box Box of 4