To make the trip more comfortable, you need a rooftop cargo carrier for your stuff. So you can get more space in the cabin.
THULE Motion XT XXL
Color: Black
External dimensions (cm): 232 x 95 x 47
Internal dimensions (cm): 222 x 84 x 41
Volume (L): 610
Load capacity (kg): 75
Weight (kg): 25.5
Mounting system: Power Click
Opening: bilateral
Crossbars compatibility: Square Bars, Wing Bars
Dimensions of crossbars: thickness 18 mm – 30 mm, width up to 90 mm