Measurements and Dimensions

SMALL: 24" x 18"x 3.5": Under 25 lbs (Boston Terrier, Pomeranian, Pug)

MEDIUM: 36" x 28" x 4": Under 60 lbs (Collie, Beagle, Cocker Spaniel)

LARGE: 44" x 28" x 4": Under 95 lbs (German Shepherd, Lab, Golden Retriever)

EXTRA LARGE: 45" x 35" x 4": Under 240 lbs (Great Dane, Akita, Newfoundland)