This dog leash is perfect for Law Enforcement Supporters and dog lovers. This Thin Blue Line leash is great for walking and training pets. Woven from high-strength nylon material, the dog leash is durable and lightweight, allowing firm control over your dog. Let your best friend show their support for the men, women, and dogs that walk the thin blue line! Thin Blue Line BB-LEASH. Black with Blue Stripe. Support Police Officers. Premium Quality, Neoprene Padded Handle for comfort. Foot Length, Heavy Duty Clasp Hook.