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![Tyvek Gusseted Envelopes Extra Capacity Strong D4A H381xW250xD50mm 55gsm P&S White Ref 11844 [Pack 100]](https://static.mercateo.com/60/3a181f47e9774f929910fdd159d6d525/images/50/prso_env_super_seal_shape_c5_23112015.jpg?v=45 "Tyvek Gusseted Envelopes Extra Capacity Strong D4A H381xW250xD50mm 55gsm P&S White Ref 11844 [Pack 100]")
