envelopes; envelope paper; envelopes [stationery]; writing paper and envelopes; envelopes of paper for packaging; paper envelopes for packaging; envelopes for stationery use; envelopes of paper or plastics for packaging; envelopes of paper or plastic for packaging; stationery writing paper and envelopes; writing paper and envelopes [stationery]; Manila envelopes; bottle envelopes of paper or cardboard; mail pouches of paper; letter paper; plastic envelopes for packaging; envelopes of plastics for packaging; folders for letters; bags [envelopes, pouches] of paper for packaging; envelopes of plastic for packaging; paper mail pouches