Bag for urine collection bed, with a minimum capacity of 2000 cc and tube 90 cm., Which incorporates an antireflux valve which ensures that the urine emitted can not return to their origin. It also has a valve to be emptied bag and handle blank for patient comfort when traveling. The urine collection bags, 2000 cc, are medical devices, used as a receptacle where urine is stored backwater and from a collector or a bladder catheter applied to the sick, bedridden. Thanks to the drain valve, can remove urine from the bag. Collection bag: Made with 2 sheets of PVC, transparent milky, high frequency welded, double welded. Antireflux valve: At the top of the bag has a double PVC flexible sheet, which prevents the possible termination of liquids or gases. Tube: Transparent PVC of 90 cm. (+ 1cm / -3cm) in total length, welded to the top of the bag high frequency, to ensure perfect adhesion. The inner lumen of the tube is 5 mm. Connector: pellet of white PVC, welded to the end of the tube and having an inner diameter of 5mm to a probe or connector fixing. Cap: low density polyethylene, blue, for connector protection. Drain valve: PVC white pellet welded to the bottom of the bag and a free inner diameter of 6 mm outlet.