In addition to the maximum weight of 31.5 kg, the instructions relating to girth must be complied with. The girth (height + width) x 2  – serves to limit the dimensions of transported goods and must not exceed 3 m. Circumference = (height + width) x 2 Girth (max. 3 m) = circumference + longest side (max. 1.75 m) A surcharge applies to especially voluminous parcels with a volume of over 200 L.