Tyvek (B4) Gusseted Extra Capacity Strong Envelopes (343x250x20mm) White (Pack of 100)
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New Guardian Envelopes Heavyweight Peel and Seal Gusset 25mm 130gsm Manilla 241x165mm [Pack of 100]
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New Guardian Intertac Internal Mail Envelopes Pocket Resealable Manilla Orange C5 [Pack 500]
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New Guardian Intertac Internal Mail Envelopes Pocket Resealable Manilla Orange C4 [Pack 250]
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New Guardian Internal Mail Envelopes Pocket Tuck-in Flap 125gsm Manilla C4 [Pack 250]
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