Medium- 

Overall- H: 13" W: 13" D: 13"

Internal- H: 12 3/4" W: 10 3/4" D: 10 3/4"

Weight- 7.4lb

Large-

Overall- H: 17 1/2" W: 18" D: 18"

Internal- H: 17" W: 15 1/2" D: 15 1/2"

Weight-14lb