You have to keep your pup safe in the car and securing them by a harness is the most secure way to do so.
Coming in Small, Medium & Large, please measure carefully so you get a good fit.
Small; 35-45 cm neck and 40-50 cm chest
Medium; 50-62 cm neck and 60-80 cm chest
Large; 35-45 cm neck and 40-50 cm chest