Lifeunion Tactical Dog Vest Nylon Patrol Waterproof K9 Service Dog Vest Harness for Training Hiking Outdoor Sports Made of high quality material 1000D Nylon, durable for use,Super lightweight for all day wearing. Thorax and abdomen belt can be adjusted,no pull harness for small or big dog. Besign with a metal triangle ring and a sturdy handle on the top,easy to control. Please measure before you buy a dog the size, select the appropriate size. Perfect for patrolling,walking, and hiking.And Hook & Loop Fastening Tape on both side of the harness for patches. Made of waterproof &amp; military-grade tough 1000D nylon fabric to insure long time using Heavy Duty Metal V-ring on the top for lead leash attachment Top padded and contoured easy-grap handle for controlling your dog closer and easier With soft and breathable padded lining,make your dogs comfortable and flexible The big buckle was made of heavy duty plastic that give your confidence to control All seams are bound and reinforced for added strength and durability With a loop field on each side for patches attached to make your dog so special The front chest strap can be adjustable to protect dog&#039;s respiratory organ 2 Size available, measure your dog to make sure the vest fits before placing the order S: 19.7 - 26.8 in( 50 - 68 CM) L: 25.6 - 39.4 in( 65 - 100 CM S: 3&#034;(L)*1.5&#034;(W) L: 4&#034;(L)*2&#034;(W)