C3 Envelopes, No-Window (250/box)

Safely mail large documents, catalogs, brochures, or artwork with C3 No-Window Envelopes – the perfect choice for professional and secure mailing. This value pack includes 250 high-quality C3 envelopes, ideal for sending unfolded A3 documents or multiple sheets of A4 papers.

Designed without a window, these envelopes offer full privacy for sensitive or important content. Crafted from durable, heavyweight paper, they protect your items during shipping and handling. Ideal for businesses, creative studios, schools, and personal use.

Whether you're mailing artwork, legal documents, contracts, or marketing materials, C3 No-Window Envelopes deliver a polished and professional look every time.

Key Features:

• Pack of 250 C3 envelopes – perfect for bulk mailing

• No-window design – ensures complete privacy

• Fits A3 documents or multiple A4 sheets unfolded

• Heavy-duty, professional-grade paper for secure mailing

• Ideal for businesses, designers, schools, artists, and home offices