Large Dog Vest: This professional working dog vest is suitable for service dogs, police dogs, or military dogs, as well as hunting dogs and all outdoor companion dogs. Durable and Strong Leash: This tactical leash is made of high-quality nylon and can withstand strong tensile forces. The leash features double-stitched webbing, a soft polyester handle, and metal hooks for long-lasting durability. Military-Grade Materials: This high-strength vest is made of 1050D nylon fabric with strong stitching, making it more durable and abrasion-resistant, suitable for various outdoor uses. Two metal shoulder buckles can withstand strong tensile forces, ensuring your dog's safety during training, hunting, working, or any other situation. Each stress point is padded to protect your dog's skin, while breathable mesh fabric ensures your dog can breathe freely and feel comfortable. Maximum Control and Safety: This dog harness features two metal leash connection points for safer dog walking—a front buckle for pull control or dog training, and a rear buckle for everyday walks or jogging. The reinforced top handle provides easy control and allows for effortless lifting in both normal and dangerous situations. Shock-absorbing elastic leash: This shock-absorbing elastic leash features a built-in elastic band that stretches from 45 inches to 62 inches, providing ample elasticity. This design reduces stress during pulling, preventing suffocation, lowering the risk of injury, and improving hand comfort, thus enhancing walking safety.Sizes:M: Belly length 27.5 cm, Neck circumference: 41-68 cm, Waist circumference: 24-38 cm, Back length: 25.5 cmL: Belly length 29.5 cm, Neck circumference: 60-83 cm, Waist circumference: 30-42 cm, Back length: 28.5 cmXL: Belly length 32.0 cm, Neck circumference: 64-90 cm, Waist circumference: 33-48 cm, Back length: 30.3 cm