Diving Surface Marker Buoy Inflatable Safety Signal Tube with Vent Valve Strong Material Double Reinforcement for Diving

[STRONG AND DURABLE MATERIAL] Made of 210D nylon material, glued, sealed, and stitched for reinforcement, much more durable than PVC mesh.[DOUBLE REINFORCEMENT DESIGN] Bottom with and rubber bands for double fixing, reducing volume for portability and providing safety for diving.[CONVENIENT TOP D RING] Stainless steel D ring connects to BCD for reduced equipment burden and can hang flashlight or signal light for convenience.[SAFETY EXPLOSION-PROOF VALVE] Prevents bursting with over-inflation and allows for air expansion during ascent, ensuring safe use on the water surface.[DUAL PURPOSE INFLATABLE MOUTH] Allows for easy inflation and quick exhaust, with fine funnel design for no air leakage even under pressure.Spec:Item Type: Diving Surface Marker Buoy Material: 210D NylonWeight: Approx.188g/6.6ozSize: Length: Approx. 1.15m/3.8ft, Width: Approx. 13cm/5.1inMain Functions: Top D Ring, Vent Valve, Inflation Nozzle, Secondary Head Inflation, One Way Membrane, Storage D Ring, Storage Rubber Band, Storage , and Can Also Be Used with Spool.Package List：1 x Diving Surface Marker Buoy Note：

• [STRONG AND DURABLE MATERIAL] Made of 210D nylon material, glued, sealed, and stitched for reinforcement, much more durable than PVC mesh.
• [DOUBLE REINFORCEMENT DESIGN] Bottom with and rubber bands for double fixing, reducing volume for portability and providing safety for diving.
• [CONVENIENT TOP D RING] Stainless steel D ring connects to BCD for reduced equipment burden and can hang flashlight or signal light for convenience.
• [SAFETY EXPLOSION-PROOF VALVE] Prevents bursting with over-inflation and allows for air expansion during ascent, ensuring safe use on the water surface.
• [DUAL PURPOSE INFLATABLE MOUTH] Allows for easy inflation and quick exhaust, with fine funnel design for no air leakage even under pressure.