Preformed and resealable envelope of plastic material

摘要

An envelope of plastic material (1) comprises a profile (2) being provided with pressure-closing members (4, 5) and sealed in the upper part of a face (6) of the envelope; and a free profile (3) being provided with pressure-closing members (4, 5) to be engaged in closing members of profile (2) and sealable at the upper part of the other inner surface (7) of the envelope after filling of the same. <IMAGE>