Hyhug Heavy Duty Nylon Anti - Escape Martingale Dog Collar for Large Medium Small Boy and Girl Dogs - Walking Training Daily Use. (Small, Classic Blue) : Amazon.co.uk: Pet Supplies
Vintage Laura Ashley Fabric Limited Edition Martingale Collar, House or Clip 'Bouquet'
Martingale Collar You Pick the Fabric Martingale Collar for - Etsy UK