Pop Hearts Step In Dog Harness. Show everyone love in this harness! This step-in harness is made with quality ribbon sewn onto durable, high-tensile strength nylon webbing and features solid brass hardware and a buckle on the back that is Coast Guard approved for high weight hold. Harness has three different adjustable points, ensuring a customizable fit for your dog. Our model Rosie, a 15 lb. Beagle Mix, is wearing a size M. Machine wash cold on gentle cycle; air dry. Made in the USA. Don’t forget the matching collar and leash!