Filters
Business Envelopes
Business Envelopes
Whether you're sending invoices, letters, statements or important business documents, having the right envelope helps create a professional first impression. At RFE Packaging, we stock a wide range of high-quality business envelopes suitable for offices, schools, retailers, charities and home users.
Our collection includes popular envelope sizes including DL, C4, C5 and C6, along with plain and window envelopes to suit a variety of mailing requirements. Whether you need envelopes for everyday office correspondence, direct mail campaigns or bulk business use, you'll find reliable products at competitive prices.
Choose from convenient self-seal envelopes for fast and secure closure, available in a range of pack sizes to suit both occasional users and high-volume businesses.
Our business envelopes are ideal for:
- Office correspondence
- Invoices and statements
- Contracts and legal documents
- Marketing and promotional mail
- Schools and educational organisations
- Home offices
- Small businesses and large organisations
As a family-run UK packaging supplier, RFE Packaging is committed to providing quality products, competitive pricing and fast UK dispatch. Whether you're purchasing a single pack or ordering in bulk, we offer dependable service and excellent value across our entire range.
Browse our selection of business envelopes today and find the right solution for your mailing needs.
Business Envelopes
C4 / A4 Manilla Brown Mailing Envelopes Self Seal 80gsm 229 x 324mmManilla, opaque, C4 / A4 pocket, self-sealing envelopes in a smooth, high-quality finish. Made with 80gsm paper produced in sustainable forests, they re an environmentally-friendly choice. These large pocket envelopes fit A4 whole. About this item Easy to use Self Seal closure High quality 80 gsm paper Perfect for business correspondance, letters, brochures and more, Internal size 229mm x 324mm
Business Envelopes
C4 Plain White Self Seal Envelopes 324 x 229mm 90gsmWhite, opaque, C4 / A4 pocket, self-sealing envelopes in a smooth, high-quality finish. C4 ENVELOPE - Designed to take sheets of A4 Paper whole. Designed to be sent using a single 1st Class or 2nd Class Stamp (max 100g) KEEPS YOUR DOCUMENTS PRIVATE - our envelopes are printed on the inside with an opaque blue pattern that makes it difficult to see what is inside the envelope Made with 90gsm paper produced in sustainable forests, they re an environmentally-friendly choice. These large pocket envelopes fit A4 whole. About this item Easy to use Self Seal closure High quality 90 gsm paper Perfect for business correspondance, letters, brochures and more, Internal size 229mm x 324mm
Business Envelopes
C4 White Window Self Seal Envelopes 324 x 229mm 90gsmWhite Windowed, opaque, C4 / A4 pocket, self-sealing envelopes in a smooth, high-quality finish. C4 ENVELOPE - Designed to take sheets of A4 Paper whole. Designed to be sent using a single 1st Class or 2nd Class Stamp (max 100g) KEEPS YOUR DOCUMENTS PRIVATE - our envelopes are printed on the inside with an opaque blue pattern that makes it difficult to see what is inside the envelope Made with 90gsm paper produced in sustainable forests, they re an environmentally-friendly choice. These large pocket envelopes fit A4 whole. About this item Easy to use Self Seal closure High quality 90 gsm paper Perfect for business correspondance, letters, brochures and more, Internal size 229mm x 324mm
Business Envelopes
C5 / A5 Manilla Brown Mailing Envelopes Self Seal 80gsm 229 x 162mmManilla, opaque, C5 / A5 pocket, self-sealing envelopes in a smooth, high-quality finish. Made with 80gsm paper produced in sustainable forests, they re an environmentally-friendly choice. These large pocket envelopes fit A4 whole. About this item Easy to use Self Seal closure High quality 80 gsm paper Perfect for business correspondance, letters, brochures and more, Internal size 229mm x 162mm
Business Envelopes
C5 / A5 White Mailing Envelopes Self Seal 90gsm 229 x 162mmWhite, opaque, C5 / A5 pocket, self-sealing envelopes in a smooth, high-quality finish. Made with 90gsm paper produced in sustainable forests, they re an environmentally-friendly choice. These large pocket envelopes fit A4 folded in half. About this item Easy to use Self Seal closure High quality 90 gsm paper Perfect for business correspondance, letters, brochures and more, Internal size 229mm x 162mm
Business Envelopes
C5 / A5 White Mailing Envelopes with Window Self Seal 90gsm 229 x 162mmWhite, opaque, C5 / A5 pocket, self-sealing envelopes with window in a smooth, high-quality finish. Made with 90gsm paper produced in sustainable forests, they re an environmentally-friendly choice. These large pocket envelopes fit A4 folded in half. About this item Easy to use Self Seal closure High quality 90 gsm paper Perfect for business correspondance, letters, brochures and more, Internal size 229mm x 162mm
Business Envelopes
C6 / A6 White Mailing Envelopes Self Seal 80gsm 114 x 162mmWhite, opaque, C6 / A6 pocket, self-sealing envelopes in a smooth, high-quality finish. Made with 80gsm paper produced in sustainable forests, they re an environmentally-friendly choice. About this item Easy to use Self Seal closure High quality 80 gsm paper Perfect for business correspondance, letters, brochures and more, Internal size 114mm x 162mm
Business Envelopes
C6 / A6 White Mailing Envelopes with Window Self Seal 80gsm 114 x 162mmWhite, opaque, C6 / A6 pocket, self-sealing envelopes with window in a smooth, high-quality finish. Made with 80gsm paper produced in sustainable forests, they re an environmentally-friendly choice. About this item Easy to use Self Seal closure High quality 80 gsm paper Perfect for business correspondance, letters, brochures and more, Internal size 114mm x 162mm
Business Envelopes
DL Manilla Brown Mailing Envelopes Self Seal 80gsm 110 x 220mmManilla, opaque, DL pocket, self-sealing envelopes in a smooth, high-quality finish. Made with 80gsm paper produced in sustainable forests, they re an environmentally-friendly choice. About this item Easy to use Self Seal closure High quality 80 gsm paper Perfect for business correspondance, letters, brochures and more, Internal size 110mm x 220mm
Business Envelopes
DL White Mailing Envelopes Self Seal 80gsm 110 x 220mmWhite, opaque, DL pocket, self-sealing envelopes in a smooth, high-quality finish. Made with 80gsm paper produced in sustainable forests, they re an environmentally-friendly choice. About this item Easy to use Self Seal closure High quality 80 gsm paper Perfect for business correspondance, letters, brochures and more, Internal size 110mm x 220mm
Business Envelopes
DL White Mailing Envelopes with Window Self Seal 80gsm 110 x 220mmWhite, opaque, DL pocket, self-sealing envelopes with window in a smooth, high-quality finish. Made with 80gsm paper produced in sustainable forests, they re an environmentally-friendly choice. About this item Easy to use Self Seal closure High quality 80 gsm paper Perfect for business correspondance, letters, brochures and more, Internal size 110mm x 220mm
