Surface Marker WDS - Tough Buoy From 210 D Coated Nylon with WDS Webbing Deployment System Made for Easy Safety Stop Deployment. The Surface Marker WDS, is an all-in-one ready to use Surface Marker Buoy. It eliminates the need to carry a dedicated reel or spool. No parts to adjust. The Buoy measures 57" (145 cm) in height and 6" (15.5 cm) in width, provides 15.43 lbs (7 kg) of lift and has a stainless steel attachment ring for the Webbing Deployment System (WDS). Made from durable 210D Nylon coated with TPU. Doesn't stick together as it happens so often with the cheaper plastic buoys. The Buoy and the WDS all fit into a Compact Handy Carry Pouch for BCD attachment. Compact and light enough to take it on every dive. Includes WDS5.5: Making it safer and simpler to deploy your Safety Sausage or Delayed Surface Marker Buoy from your safety stop.