This 1" wide size large dog collar is made of durable nylon with a high quality ribbon overlay. It is adjustable to fit a neck size from 18-26". Mirage is a pet products manufacturer that has a reputation for supplying high quality, economical products for dogs and cats to businesses in the pet industry. Mirage is family owned and manufactures nearly all of our products in the U.S. to maintain high standards of quality in our products and fairness and integrity with our employees. With a legacy that spans six generations in the pet industry, we understand the unique challenges facing retailers of pet products and we look forward to serving your business needs.