You'll get a personal 'friend code' in your delivery box (those vouchers) and this code can also be found on your tails.com account: Refer a Friend
1) Give this to your friend when they sign-up.
2) They enter your code at the very beginning before telling us all about their dog.
3) Your friend will then receive a month free trial with £1 delivery! Win!
4) Pop on the website and you can then claim your £10 credit for referring them! Win Win!