1DURABLE MATERIAL: Dog collar is made of durable nylon, metal material, neatly stitched, breathable and lightweight to ensure your dog wears it comfortably without rubbing the dog's skin and fur.2WIDENED DESIGN: Wider collar distributes the pressure more evenly across the dog's throat, reducing the pressure on the dog's neck, reducing tracheal damage and increasing comfort in the long run.3EASY TO ADJUST: Double row metal buckles are easy to open and adjust, hard to break, and the double closure is strong and adjustable, providing security and preventing dogs from tearing them apart.4HEAVY DUTY BUCKLE: Adjustable dog collar uses heavy duty thickened D ring buckle, super strong and durable, connect the chest strap more firmly, very safe to use, perfect for pet field training.5APPLICABLE OBJECTS: Pet dog collar in pet training or hunting can easily adjust the length of the collar as needed, suitable for more size pets, suitable for medium and large dogs, small sheep and calves, etc.