Size: XSmall usually fits Brussels Griffon, English Toy Spaniel, Maltese, Miniature Dachshund, Norfolk Terrier, Papillion, Yorkshire Terrier, 1 0" length, fits neck 8"-12”, fits chest 14"-16". Size: Small fits Australian Terrier, Border Terrier, Bichon Frise, Boston Terrier, Miniature Pinscher, Miniature Poodle, Pekingnese, Pug, Shih Tzu, Silky Terrier, West Highland Terrier 12" length, fits neck 10"-12", fits chest 16"-18".
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