N/GuardianHWT C4 324x229 P&S WdwPktPK250

Suitable for mailing important, heavy or valuable items. Available in a variety of sealing options. C4 324x229mm. Peel and Seal. Window 40x100mm. Window position: 25mm in from left and 213mm up. 130gsm. Boxed 250. Easy Open device allows a clean opening tear to the envelope, but does not compromise the strength of the product.