Your pup will be the talk of the dog park with our Ruby collar. All of our collars feature durable fabric, luxe gold hardware, and a strong nylon core. They clean easily in the washing machine. And, they're built to last. FIT AND SIZING Our online sales are split approximately 25% S, 40% M, and 35% L. For additional size guidance, please visit https://www.thefoggydog.com/pages/size-chart CARE Machine wash cold delicate cycle, air dry flat. Handmade in San Francisco.