The OMS bag is a combination between lead quick release bag with an additional pocket for diving accessories. The lead bag is filled with 2.5 - 3.0 Kg lead. The overlying equipment bag is suitable for a diving mask or a signal buoy with spool or lifting bag. The bag has on the back of a holder for pushing on a 50 mm Harnessgurt. The OMS bag with equipment bag also has a slot in the front for a D ring. This allows the Taicher to decide whether the OMS bag should be used with or without a D ring.