Dog Car Harness Heavy Duty Training Harness Safe Car Seat Belt with D-Ring and Soft Handle Color: Black,size L fit chest girth 27.5-37.5" 1.Durable outer layer and soft sponge padded:Durable, scratch-resistant oxford material outer layer,lightweight sandwish mesh lining and soft sponge padded in chest and belly for good load dispersion and comfortable,extended wear. 2.3M reflective :Nylon webbing with 3M reflective material ensure good visibility and security at night on the road. 3.Duraflex buckle:Adjustable straps allow a custom fit for your pooch,To Adjust Straps: Push then Pull Straps through "Truelove" Buckle for Custom Fitting. Duraflex buckle is lightweight and have large loading capacity which improve the tensile strength of this dog harness. 4.Two-leash attachment points:Two-leash attachment points: Zinc-alloy D-ring on the dog's back and the dog's chest. 5.Ergonomic schemed:Ergonomic schemed is much more comfortable,easy to put on and take off .