This large, resonate, crush proof bell is ideal for locating large dogs, sheep, goats, llamas, alpacas, cows, and horses in hilly or brushy pasture. High quality reproduction of traditional collar bells used in Switzerland in the 19th century.. The bell itself is 2-3/4' high by 2-1/4' wide and is made of THICK cast brass Bell and hardware are brass and will not rust. A heavy, high quality 1' wide leather strap offers easy on off. Can be buckled directly onto collars or harnesses up to 2.5' wide. Never lose your dog or your herd in brush, snow drifts, or hill country again- just follow the sound!