I-BOSOM 17"-20" Spikes Nailed Two Wide Leather Dog Collar in Pitbull Mastiff, 31 Spikes Nailed 52 Studs 100% Brand New & High Quality Material: Faux Leather Strong and durable high quality PU (Faux) leather. Light, elegant and not stiff Overall length 22.5", will fit 17"-20" neck Nickel-plated hardware and heavy duty D-ring