Heavy duty and durable without being bulky. These stainless steel slip chains are made to last. They will not come apart. An Altcultures EXCLUSIVE. The Doggy Bone hardware was designed in house and custom manufactured. Sizing & Details: * Chain: 201 Stainless steel * Bones: 304 Stainless steel * Links: 304 Stainless steel * 25 inches in total length * Can fit over most heads. Need a different size? Just leave a note