KONG Ultra Durable Dog Collar Red Large Adjustable Heavy Duty Nylon 17-28 Inch KONG Ultra Durable Dog Collar in red provides maximum strength and security for large dogs. Constructed from heavy-duty nylon webbing with reinforced stitching, this collar features a robust plastic buckle and a large metal D-ring for reliable leash attachment. The adjustable design ensures a comfortable fit for neck sizes ranging from 17 to 28 inches. Measurements: • Neck Size: 17-28" (43.1-71.1 cm) #Outdoors