Sötnos Safety Travel Harness - Teal with reflective detailing - which helps to keep you safe in in the dark.
Integrated seatbelt loop gives it extra flexibility and can also be used as a grab handle, this makes it great for walking too.
 
Size Guide
Neck                        Body
* XXS: 22-36cm       * XXS: 30-48cm
* XS: 25-40cm         * XS: 35-50cm
* S: 40-55cm            * S: 45-62cm
* M: 50-62cm           * M: 48-70cm
* L: 54-72cm * L: 52-86cm