Description: 【Versatile Inflation Options】: This diving SMB can be inflated using multiple methods, including oral inflation, BCD (Buoyancy Control Device) inflator hose, or a second stage regulator, providing flexibility and convenience for divers in various situations 【Construction】: Crafted from quality nylon and SS316 stainless steel materials, this Scuba Diving Surface Marker Buoy set is designed to withstand the harsh conditions of underwater environments, ensuring long time performance and reliability 【Comprehensive Set】: The package includes 1 Surface Marker Buoy Signal Tube, 1 Dive Reel and 1 Double Ended Hook Clip, for a successful dive signaling experience 【Compact and Portable Design】: The Diver Below Signal comes with its own storage bag for easy transport and organization. Its compact size makes it convenient to carry along on any diving adventure without taking up much space in your gear bag 【Enhanced Visibility】: The bright red color of the buoy ensures high visibility underwater and at the surface, making it easier for dive partners or boats to notice you from a distance during security stop or emergency situations Specification: Material: Nylon, Stainless Steel Size Chart: Line Length: 30 m/98 ft Package Includes: 1 Scuba Diving Surface Marker Buoy 1 Spool Reel 1 Double Ended Hook Clip