16 b or 16 c of plastic material whereby a stable transportation package is formed according to one embodiment of the invention the inner package 11 filled with bulk goods is subjected to negative pressure whereby the inner package 11 is pressed tightly around the bulk goods whereupon the inner package 11 which has been filled with bulk goods and subjected to negative pressure is surrounded with an outer package 16 made of plastic material in the embodiment illustrated in fig1 a 14g the formwork construction used in the method of the invention is denoted generally with the reference numeral 12 the positioning of the inner package 11 with respect to the base 13 has been achieved by means of the formwork construction 12 in this embodiment the formwork construction 12 consists of formwork halves 12 a and 12 b in the situation as shown in fig1 a the substantially u section formwork halves 12 a and 12 b are separate from one another in the next step of the method the formwork halves 12 a and 12 b are displaced towards one another so that they form a formwork construction 12 shaped as a parallelepiped in the method stage as shown in fig1 c the.