You are Buying a brand New PetSafe Easy Walk No Pull Dog Harness - Size Medium / Large - Black / Silver. The harness safely controls light to moderate pulling by resting across your dog’s chest instead of his throatCOMFORTABLE FIT: Keep your dog cool with less coverage than many other harnesses; light and breathable construction while still maintaining quality and durability. A padded neoprene nose loop puts pressure on the back of the neck instead of your dog’s throat, which prevents choking and gagging.