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. 6 ft (183 cm) length large 12 in (30. 5 cm) circumference Lower