Introducing our Blue Sharks Dog Collar This unique and stylish collar is perfect for boy dogs who want to stand out. It features a cute blue sharks print with adjustable 1" and 1.5" sizes to fit your pup perfectly. ★ Collar Sizing Guide  Collar S - 28 - 40 cm | 11 - 15.7” Width: 2,5 cm | 1” Collar M - 32 - 47 cm | 13 - 18.5” Width: 2,5 cm | 1” Collar L - 37 - 60 cm | 14.5 - 23.6” Width: 2,5 cm | 1” One Size: Width: 3,8 cm | 1.5” Length: 37 - 59 cm | 14 - 23.6”   ▶ All measurements are taken with the collar fully extended and contracted, buckle to buckle. Please measure your dog's neck before ordering a collar.