The size of the flower is without considering the box.
The height of the box is 40 centimeters.
My other bouquets link:
https://3dsky.org/3dmodels/show/plants-bouquet-43 
https://3dsky.org/3dmodels/show/plants-bouquet-41 
https://3dsky.org/3dmodels/show/indoor-plant-set-077 
Name: Plants Bouquet 044
Version: 2015
Units: Centimeters
Dimension: 66.99 x 54.46 x 112.8
Polys: 475634
XForm: Yes
Box Trick: Yes
Unwrap: Yes
Render: Corona and Vray
Formats: Max 2015 (Vray 5) Max 2015 (Corona 6) + OBJ