Our underwater noise maker is made of sturdy bright orange plastic. It’s 4 1/2 inches long, and small enough to easily stow in your bcd pocket until needed. Our lanyard is made of coated stainless steel rigging line, and almost unbreakable. The Clear Signal has been tested up to 60 feet. I where mine with a retractable clip so it is out of the way, and easy to locate quickly when I need it. Our product design is simple and effective, and made to last. Cost is for one item. Made in the USA.