New Guardian Heavy Duty Envelopes. Peel and seal pocket envelopes perfect for mailing heavy or valuable items. Weight – 130gsm. Size: C3 457mmx324mm.
These New Guardian envelopes provide superior protection and strength with durable, heavyweight 130gsm paper. Ideal for mailing larger, bulkier items, these C3 envelopes measure 457 x 324mm and feature a simple, secure peel and seal closure. This pack contains 125 manilla envelopes.
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