Check the listing for details. Vibrant Life Mesh Adjustable Dog Walking Pet Harness Black Size M. Condition: New. Listed at 12.00 USD. Vibrant Life Mesh Pet Walking Harness for Dogs Black Size Medium. Take your daily walks in style and comfort with this step-in harness made specifically for medium-sized dogs like Standard Poodles and Beagles. The chest is adjustable from 20-27 inches (50.8-68.5 cm). For a proper fit measure around your pet’s chest with a tape measure. The mesh fabric is soft comfortable and breathable. The D-ring on top of the harness gives a secure connection point for your leash and ensures no pulling or tugging around your dog’s neck as traditional collars do. The reflective logo on the chest on the side and topstitching catch the light and add another layer of safety for your best friend. This harness is washable in mild soap and water.