Size chart:
S size: This harness fits at a chest size of: 15.7 inch (40 cm) to 28.7 inch (73 cm) and a lower chest circumference of 9.8 inch (25 cm) to 18.9 inch (48 cm)

M size: fits all medium-sized breeds starting at a chest size of: 19.7 inch (50 cm), fitting up to a chest size of 29.5 inch (75 cm) and a lower neck circumference of 13.8 to 22.8 inch (35 to 58 cm)

The perfect gift for your small to medium sized dog, like: Pug, Bulldog, French Bulldog, Bull Terrier, Jack Russel, etc.

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