We can make this collar to fit dogs with neck size 18 inch and up to 26 inch (45 cm - 65 cm) This Collar Is Extra Wide - Almost 1 3/4 Inch - Which Makes It Perfect Tool For Handling Large And Active Breeds This Nylon Collar Is Made With Symmetrical Proportional Silver Conchos!That Help Bring Out The Beauty Of This Hand Crafted Creation. We Used Only Silver Plated Hardware ! Available In Black Very Strong Water Resistant Nylon "Functionally fashionable".