Dimensions:

Small Overall: 12" Diameter x 10" High

Small Interior: 10.5" Mouth Diameter x 9.5" High

Medium Overall: 20" Diameter x 17" High

Medium Interior: 17.5" Mouth Diameter x 17" High

Large Overall: 31.5" Diameter x 22.5" High

Large Interior: 26.5 Mouth Diameter x 22" High