This is the Zeagle Standard Signal Safety Tube 2-Color Safety Sausage Orange/Yellow Features: Maximum visibility in rough waters, 60 x 6" Compact design: rolls up to fit in a BCD pocket Velcro closure The Standard Signal Tube is a surface signaling device with its fluorescent orange and neon yellow coloring. The tube is inflated at the surface with an oral inflation valve and measures 60" x 6" for maximum visibility in choppy waters. Zeagle Signal Tubes roll up and fasten with hook & loop straps in a tight roll that will fit in a BCD pocket until needed. Two types of mesh pouches are available to attach your signal tube to your Zeagle BC, as well. "