<http://schema.org/description>
"All collars are manufactured from the highest quality nylon to meet rigorous testing standards. \r\n\r\n* 3/8\" width nylon collars and leashes are appropriate for puppies, petite dogs and small animals \r\n* 5/8\" width nylon colars and leashes are perfect for small and medium dogs\r\n* 3/4\" width nylon collars are best suited for medium or average size dogs\r\n* 1\" width nylon collars and leashes are primarily intended for large dogs."^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.petflow.com/product/coastal-pet-products/coastal-pet-products-standard-nylon-collar-3-8-inch-width>