Size about bottom width 30cm,height 41cm,thickness 13cm
Manual measurement,may cause 1-3cm error,it is normal.

Notes:there are two styles,one style 1#,2#,3#,4#,5# and 6# with two wheels,they are flashing wheels,can't climb the stairs
the other style 7#,8#,9#,10#,11#and 12#with six wheels,they are not flashing wheel,can climb the stairs