SKL Large Leather Spiked/Studded Dog Harness, Perfect for Pit Bull, Boxer, Bull Terrier (Pink spiked harness) Made of 1" wide leather, features nickel-plated hardware and heavy duty D-ring Chest girth: 26"-33.5";Neck girth:16.5"-26" All 5 straps are adjustable . Strong and durable Allows the dog to have relaxed movement of muscles, makes it flexible and efficient Chest piece has 28 spikes