No more pulling or choking - This Large vest harness is designed to discourage pulling by distributing save, even pressure around the chest, Suitable for puppies to seniors. Enjoy More Control - We've fitted our control harness with a front and a back leash clip rings plus a sturdy back handle; this makes the harness great for dog training or outdoor activities and put you firmly in control. Extra Padding; Extra Comfort - Your pup will love the highly elastic foam lining that minimizes pressure and the heavy duty oxford fabric which is secure but breathable. Size: M: Neck circumference 40-55cm, chest circumference 45-55cm L: Neck circumference 50-65cm, chest circumference 55-70cmProducts from NIUNIU's store