Scubapro SMB 4.5' 210D

This professional grade SMB (surface marker buoy) features a double inflation system with an open bottom and duck beak valve as well as a metal inflator. The buoy is constructed of durable 210D nylon with HF welded seams. There’s a stainless D-ring and bungee loop on the lower end, with a plastic D-ring on top for a flashlight.