Adjustable harness on both the neck and the chest, comfortably fitting dogs of almost all sizes. * Neoprene fabric on the outside. * Breathable, quick-drying mesh on the inside. * D-ring on the back to secure the strap. * Front D ring great for placing the Identification Badges * Reflective bands on both sides. Not sure about the size? Always measure your dog to get the right size. If you're not sure, contact us so we can help you at info@pawchi.es, or right here by clicking on the Whatsapp icon.