The Sporn Non-Pull Mesh Harness fits like a glove! The BEST SELLER in pull control offers total control, style and comfort for your dog. This mesh harness is a continuation of the training legacy started by the Original Sporn Halter back in 1992. It is designed for moderate to heavy pullers and is guaranteed to stop your dog from pulling using the patented "Sporn Effect"! All materials and components are made of the highest quality nylon and nickel-plated hardware to reduce weathering.