High visibility LED Extender Lead, available in green, pink or orange. It is visible on both sides, has reflective stitching along the edges and is rechargeable using the supplied USB lead, simply plug into your computer or iPhone wall plug (or similar). Connect between the collar or harness and your lead or Flexi / retractable lead. 39cm x 25cm, one size fits all. Three flashing modes, slow, fast or constant.