The martingale fork is made from Beta-BioThane with a width of 16 mm.Variants:Black hardware is made from blackened steel, which will rust over time.Stainless steel hardware is made from AISI 304, an austenitic stainless steel with high corrosion resistance.BioThane Material:Matte, soft PVC and TPU with a leather texture.Waterproof and durable material.Resistant to moisture, frost, and UV radiation.Designed to withstand tensile strength, wear, tearing, and cracking.Easy to maintain, washable with soap and water.Hypoallergenic and free of harmful substances.Recommended uses: horse halters, reins, dog collars, dog leashes, high-load straps.Actual colors may vary depending on your monitor or phone display settings.