The Touchdog ®'Trendzy' 2-in-1 Matching Fashion Designer Printed Dog Leash and Collar features an ultra-vibrant pattern of colors and composed of Durable Nylon with Dual-layered Heat-Transfer taping throughout that leash and collar that is designed to both bring out colors more effectively that will never wash out or fade. Equipped with rubberized stitching and eco-friendly plastic quick-click connecting buckles with a chrome-plated leash ring and a swivel leash hook connector for multi-directional pulling or tugging. Available in Multiple Sizes and Color Patterns. Sizing Guide (INCHES) COLLAR AND LEASH DIMENSIONS - SMALL - LEASH LENGTH - 48" WIDTH - 0.59" NECK GIRTH - 10.63" - 13" MEDIUM - LEASH LENGTH - 48" WIDTH - 0.78" NECK GIRTH - 13.78" - 16.53" LARGE - LEASH LENGTH - 48" WIDTH - 0.98" NECK GIRTH - 17.71" - 21.65"