Color/pattern: blue Design details: pet life 'advent' outdoor series 3m reflective 2-in-1 martingale dog leash and collar is composed of heavy-duty nylon with reinforced stitching for added durability and toughness. the collar features high-grade alloy engraved quick-click buckles and the leash features a uniquely designed safety lock leash attachment that swivels for multi-directional tugging or pulling. the martingale dog leash features an up close and personal secondary adjustable training loop designed for behavioral correction and control. available in multiple sizes and colors; ; sizing guide (inches); ; collar and leash dimensions:; small: leash length: 48" width: 0.59" neck girth: 13.38" - 15.74" ; medium: leash length: 48" width: 0.78" neck girth: 13.56" - 17.71" ; large: leash length: 48" width: 0.98" neck girth: 15.74" - 20.47" ; Measures 48in l x 6.69 - 7.87in w x 6.69 - 7.87in h Nylon Imported