XS Scuba Quick Launch Marker BuoyDeploying a marker buoy from depth has its challenges. Securing a line spool and SMB, connecting them together, deploying them, all while maintaining neutral buoyancy and holding on to other gear, has overwhelmed many a diver. The Quick Launch Marker Buoy simplifies the procedure! The line spool is stored within the marker buoy and is already connected to it! Just add air and let it fly. Features: 6 ft. (183 cm) length Large 12 (30. 5 cm)