Convenient inflation and deflation Inflate quickly with an oral inflator or standard BC hose. Deflate easily with the integrated dump valve for compact, convenient storage after use. Wearresistant construction Built from 210D Nylon Fabric with an overpressure valve to prevent rupturing during ascent. Designed for longevity and reliable performance in a variety of conditions. Essential diving accessory Marker Buoy (SMB) provides clear surface signaling to boats, helping to alert others to your presence and enhancing overall safety during underwater activities. Applications Suitable for scuba diving, snorkeling, and spearfishing. Designed for both amateur and experienced divers seeking to improve safety measures. Use scenarios Scuba diving near boat traffic or in harbor areas: deploy the SMB during ascent to signal your location to nearby vessels. Spearfishing in open water: mark your dive site to improve surface visibility for boats and other divers. Snorkeling in windy or lowvisibility conditions: use the SMB to increase visibility from the surface and aid in locating teammates.