Valhoma Nylon Muzzle Size 1

1 (Fits Up To 4 1/4" Muzzle Circumference. Size 1 Is For Small Dogs Approximately 9-25 lbs. [I.E.: Boston Terrier, Miniature Poodle, Pug] Measure Around Widest Part Of Dog's Muzzle To Ensure Proper Size Selection.)