SE OD-WBH71BB Bottle Holder with Black Carabineer and Split Key Ring Overall length: 6" (including 2-" carabiner) Heavy-duty rubber rubber slip-on holder:  thick Can be attached to a wide variety of items using either carabiner or split ring Attaches to bottleneck to allow drinking from the bottle without removing the holder Color of carabiner: blackuse of carabiner is not designed for climbing ventures