Custom Paper Envelope with Die-Cut Window

Flat die-cut white paper envelopes featuring a custom square or round-corner window.

Printing & Finishing Options:
• Square / round-corner window die-cut
• Flat envelope structure
• 200gsm – 300gsm premium cardstock / paper
• Custom sizes and window dimensions
• Available in white, kraft, or custom colors

Product Advantages:
• Clean, minimalist flat envelope design
• Die-cut window for easy product visibility
• Lightweight and space-saving for shipping
• Sturdy paper material for basic protection
• Fully customizable printing, size, and window shape