This adjustable harness features 4 easy adjusting straps around the body. You can use its 2 neck straps and 2 chest straps to create a perfect fit for your dog with some room of growth. It is suitable for medium Dogs, such as Boston Terrier, Dachshund, Heeler, Bulldog, Boxer, Puggle, Australian Shepherd, etc. Please feel free to contact us if you want different sizes like S, L and XL. Custom logo can be debossed, imprinted or embroidered on a patch stitched to the this harness.