S size!! Harness lead ❤️ Please check the size in the photos!! 4-way adjustable with air mesh padding and reflective trim. Dog harness, less burden on dogs, prevents pulling, reduces coughing, adjustable size, easy to put on and take off, night reflection, 2 leash attachments on the front and back, safe walking, breathable, won't come off, for small dogs Thank you for viewing. Last 2 items!!