This is the Caution Working Dog Leash - 1 Inch Wide with Easy Grip Comfort Grip Handle from Yellow Dog Design, made right here in the USA. SIZING: The size selected for this dog leash is typically matched with the width of collar the dogs wear. However, sizing up may sometimes be desirable for dogs that pull. If you are shopping for designer, affordable dog accessories, then look no further. These durable, guaranteed to last dog products have no rough edges, no threads to fray or break, no problem going in the wash, and no stress getting them on or off your dogs.