Manufacturer Code : 65829BL. Blake Packaging Envelopes C5+ Polypost Polythene Pocket White Peel and Seal 60mu 238x165mm (Pack 100) - PE22/W/100.Polythene envelopes made from strong white polythene (LDPE). Hardwearing waterproof and an excellent economical alternative for the mailing of magazines and periodicals.
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