YELLOW - SMALL - Bright Reflective Safety Vests Our bright and reflective Guardian Gear Safety Vests help keep pets safe by increasing their visibility during outdoor activities. Ideal for nighttime walks and exercise sessions. Durable vest has an outer polyester shell with an inner nylon layer. Features quick release cotton straps and two strips of reflective tape for added visibility Small fits nape of neck to base of tail 8" - 12"; Necks 12" - 16"; Chests 16" - 19"