Three sizes available - size is measured around your dogs neck; • Small Fits neck sizes 8" - 13" • Medium Fits neck sizes 12" - 17" • Large Fits neck sizes 16" 25" Our Bandanas offer a curved neckline with a fully adjustable strap. Tailored to perfection!  Need help with sizing? Small |  Fits most Yorkshire Terriers, Chihuahuas, Pomeranians, Brussels Griffons, Shih Tzus, Pugs, Dachshunds, Toy Poodles and Cats! Medium | Fits most Golden-Doodles, Poodles, Labrador Retrievers, Golden Retrievers, Bulldogs, Beagles, Australian Shepherds and German Shepherds. Large | Fits most - Cane Corsos, English Mastiffs, Leonbergers, Newfoundlands, Bernese Mountain Dogs, Great Danes, Irish Wolfhounds, Bulldogs, St Bernards, and Dobermans. You'll find that some breeds can wear more than one size by tying the adjustable strap into a tighter square knot. It's like magic! Note: Our bandanas are currently offered with a hang tag that displays the measurements.