Measurements are at the mouth opening and total height.

Small:

Overall- H: 19 3/4" W: 15 3/4" D: 15 3/4"

Internal- H: 18 3/4" W: 12" D: 12"

Weight-28lb

Large:

Overall- H: 30" W: 21 1/2" D: 21 1/2"

Internal- H: 29 1/2" W: 16 1/4" D: 16 1/4"

Weight-59lb