31671100 - Glass envelopes

CPV code 31671100 in the EU Common Procurement Vocabulary refers to Glass envelopes. It sits at level 5 of the CPV hierarchy as a subcategory within the 31 division. This code is nested directly under 31671000, narrowing the broader category into the specific area of glass envelopes. As a leaf code, 31671100 has no further subdivisions and represents the most precise classification available in this branch — buyers should reference it directly in tender notices when the procurement primarily concerns glass envelopes. Contracting authorities across the EU use 31671100 in TED notices and national procurement portals to signal that a tender relates to glass envelopes.