AOLOVE Reflective Adjustable Leather Dog Collar Large size: 1.0"*20"(2.5cm*52cm), Neck 14-18"(36-46cm) / Please check the size before you confirm the order and we are always here for you Material:PU Leather+Alloy 5 adjustment holes for adjustment this durable collar features a reflective strap that is highly visible in dim or dark conditions and will keep you and your dog safer.