Measurements are at the mouth opening and total height.

Small:

Overall- 15 3/4 Diameter x 19 3/4" High

Internal- 12" Diameter x 18 3/4" High

Weight-28lb

Large:

Overall- 21 1/2" Diameter x 30" High

Internal- 16 1/4" Diameter x 29 1/2" High

Weight-59lb