Constructed for Durability: Crafted from 210 high-density nylon with a TPU coating, this diving marker buoy is double-stitched to offer outstanding wear, tensile strength, and resistance to tears. Enhanced Visibility for Safety: Featuring reflective strips on both sides and the prominent 'DIVER BELOW' print, this scuba signal tube enhances your visibility underwater. Innovative Explosion-Proof Valve: Our scuba signal tube includes a cutting-edge explosion-proof valve, designed to prevent ruptures even under high pressure. Compact and Portable Design: This safety sausage boasts a double fixed design that allows for quick and easy packing post-dive. It rolls up compactly, saving valuable space and making it an ideal addition to your diving gear for hassle-free transportation and storage. Size:Buoy: 150x15cm, reel: 30m Color: Fluorescent red Material: Nylon + aluminum alloy Package Contents: 1 * Marker Buoy 1 * 30m Spool Reel 1 * storage bag Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.