Type:Real Leather Pet Dog Collar for Medium Large Dog Material:Genuine Leather 2 Colors: Brown/Black Features: Luxury Top grade thick Real leather collar, soft,strong, comfortable Solid brass roller buckle and D-ring,can attach the walking leads Well made,fit for training medium & large&X-large dogs 6 holes adjustment Fits for:Medium/Large/x-Large dogs breeds,e.g.Staff/Bull Terrier/Labrador/German Shepherd/Pitbull/Boxer/Mastiff.etc. Package Include:1X Dog Collar Size Neck Adjustable Width M 15-19"(38-48.5cm) 1"(2.5cm) L 16-21"(40.5-54.5cm) 1.2"(3.0cm) XL 18-25"(47-61.5cm) 1.4"(3.5cm) Note: Please measure the neck size of your pet before ordering.That's important! Please allow 0.5-1 inch(1-3cm) error due to manual measurement.