C4 White 160gsm Peel & Seal Full View Window Envelope (229 x 324mm)

Showcase your contents with our C4 (229x324 mm) white full view window envelopes, crafted from 160gsm premium paper for a recyclable, robust solution. Featuring a peel and seal flap for quick and secure closure, these envelopes are perfect for promotional mailings and important documents. Contact our team for Custom Printing options for these 160gsm white window envelopes.