Small size for 2 inches Wide, 20 inches Longth,(5*51CM) Neck 15-18inch

Medium size for 2 inches Wide, 22 inches Longth,(5*56CM) Neck 17-20inch

Large size for 2 inches Wide, 24 inches Longth,(5*61CM) Neck 19-22inch

Note: Before you order,Be sure your dog's neck is suitable for this size (That's very important).

Package Included:

1 x dog Collars