The UMDHAIYI Scuba Diving Surface Marker Buoy is a must-have accessory for your underwater adventure. Crafted from high-quality 316 stainless steel and featuring bright, high-visibility colors, it offers long-lasting durability and safety. The D-rings, made with 316 stainless steel too, ensure a secure fit on your rig, while the quick inflation and deflation system makes it easy to use. The buoy's balloon is made from extra-tough, explosion-proof TPU material, providing stability even in rough waters. Whether you're exploring coral reefs or just practicing your kicks, this buoy will ensure your visibility and safety. Say goodbye to frustration and hello to a safer underwater experience.