Tactical Dog Harness: Size M: Chest: 51-86 cm, neck: 45-57 cm, belly length: 27 cm, back length: 19cm. Before buying, we recommend that you measure carefully to choose the correct size. This no-pull dog harness is ideal for medium and large dogs, service dogs, police or military dogs, and outdoor companion dogs. Durable and comfortable material: the Inner mesh lining of the dog harness is breathable and cool. The outer Oxford material is tear and scratch resistant. Reinforced handle with thicker and wider padding. All of this keeps your dog cool and comfortable in the great outdoors, perfect for everyday walking, running, hiking, exercising, hunting, and more. EASY TO GIVE AND TO SETTLE : The Military Dog Harness has 4 convenient adjustment points (2 shoulder, 2 chest) to ensure the perfect fit for dogs of all sizes. Two quick-release buckles are not only easy to put on and take off, but also can withstand large pulling force, providing security for all occasions such as training,