Dimensions

Medium:

Overall: H: 13" x W: 14" x D: 14" 

Internal: H: 11" x W: 13" x D: 13"

Large:

Overall: H: 17.5" x W: 18.5" x D: 18.5" 

Internal: H: 16" x W: 16.5" x D: 16.5"