I-BOSOM 21"-24" Spikes Nailed Two Wide Leather Dog Collar in Pitbull Mastiff, 37 Spikes Nailed 60 Studs 100% Brand New & High Quality Material: Faux Leather Strong and durable high quality PU (Faux) leather. Light, elegant and not stiff Overall length 26", will fit 21"-24" neck Nickel-plated hardware and heavy duty D-ring