"The classic O ring slip chain. You can never go wrong with this one! Level up any outfit. Heavy duty and durable without being bulky. These stainless steel slip chains are made to last. They will not come apart.  Each of the pieces is stainless steel; the o rings, the chain and the rings connecting them. Sizing & Details: Chain: 201 Stainless steel O rings: 316 Stainless steel Links: 304 Stainless steel  25 inches in total length  Can fit over most heads. Need a different size? Just leave a note"