FEATURES OF VASTPET DOG VEST HARNESS: Premium Fabric and Lockable Buckle: High quality polyester makes the harness robust against wear, lockable & adjustable safety buckles prevent dog escaping from harness. Soft Padded Handle for Better Control There is a sturdy top handle for quick grabbing, easy to control and grap hold of your dog if need be to assist them while on adventures. 2 Sturdy D-ring No pull front D-Ring and back D-Ring provides Front and back leash attachments. Perfect for Daily Walking, Outdoor, Training, Hunting, and more. Reflective Straps Nighttime walks are safer with the reflective straps that are all over this padded dog harness. Heavy Duty Dog Leash Made of strong rock climbing rope; Ergonomically designed foam handle for comfortable grip and easy control; 360° rustproof swivel hook preventing from interwining. Buffer Spring design to protect you from shock when dogs suddenly speed up. Reflecive threads keep you both safe and visible on your late-evening walks. Specification: Size: S, M, L, XL Colors: Black, Pink, Orange How to choose the size: Choose a right size of harness is essential for comfort and reliability. Before selecting the right size, please measure the girth both of chest and neck. Chest Measurement-Wrap measuring tape around the deepest part of dog's rib cage behind the front legs. Neck Measurement-Wrap measuring tape around the base of neck/top of shoulders. Use Instruction: Slide the harness over head. Adjust the harness down the center of the spine. Bring strap under the chest and securely snap into place.