Item Type: Surface Marker Buoy Material: Nylon Weight: Approx. 366g / 12.9oz Suitable for: Safe Diving, Snorkeling, Spear Fishing And Other Underwater Activities Product Size: Approx. 150x36.5cm / 59.1x14.4in Package List 1 x Surface Marker Buoy 1High Visibility: The diving buoy marker signal tube has bright color for maximum visibility, easily drawing people's attention, and allowing them to find your position quickly. 2Durable: The diving surface mark buoy is made of nylon material, with good sealing performance, explosion proof, durable, and not easy to damage. 3Easy To Inflate Or Deflate: Safety inflatable surface buoys for quick oral inflation or deflation after use, for quick storage. 4Wide Application: Great gear equipment for safe diving, drift diving, snorkeling, spearfishing, and other underwater activities. 5Diving Indispensable Accessory: Surface marker buoy is simple but effective diving equipment used by both amateur and experienced divers. It is really an important accessory for divers.