Basic dog collar is made of soft and strong nylon fabric and 1 inch wide to add durability. Adjustable dog collar range is 14.5”-22” suitable for medium large dogs. Collar is not stretchable so should be adjusted accordingly to size. Solid hardware with reinforced D ring and quick release buckle which is made of eco-friendly plastic. We offer black, purple, blue, orange dog collar:. Matching dog leash available separately . Super customer service with 1 year warranty for any quality problem (being chewed excluded). Please feel free to contact us, our professional service team will reach you in 24 hours!