XDeep Closed DSMB 140cm Dive Safety Marker Buoy - High Visibility Scuba Diving Equipment for Emergency Signaling & Surface Marking | Perfect for Underwater Exploration, Wreck Diving & Technical Diving

The XDeep closed SMB is equipped a reliable over-pressure dump valve, allowing safe and easy inflation via the low-pressure inflation hose. 

The handy small plastic tube on the top side of the SMB offers a place for your glow stick in nigh-time.

The Nylon 240 dTEX material, together with the 3M reflective stripe, make the SMB extremely durable and recognisable even at night. 

Together with a double-ended bolt snap, it can be easily converted into a life ring.