With a body made of high-quality, lightweight aluminum, this ultra-handy accessory with its dual spring gates will hold, secure, and connect everything like keys, water bottles, and gear. Made of stainless steel, the dual independent gates allow for quick, convenient accessibility to your items. Smaller S-Biners are excellent for connecting items like keys and clipping to zippers, while larger sizes can be used for organizing the boat and hanging or carrying large items like sporting gear.