The Arpan A3 C3 Manilla Hardback Envelopes are designed to protect important documents, photos, certificates, and artwork during postage and storage. Made with a strong manilla paper exterior and a rigid board-backed insert, these envelopes prevent bending and creasing in transit.

Clearly printed with “Please Do Not Bend”, they help ensure careful handling by postal services. The self-seal adhesive strip provides fast, secure closure without the need for tape, making them ideal for high-volume mailing.

With a generous 457mm x 324mm (C3 / A3) size, these envelopes are perfect for offices, schools, photographers, artists, and businesses sending large or valuable flat items. Supplied in a pack of 50 for excellent value and convenience.

Arpan A3 C3 Manilla Hardback Envelopes – 457 × 324mm Board Backed, Self-Seal, Do Not Bend, Pack of 50 – Key Features:

• Rigid board-backed design for maximum protection

• “Please Do Not Bend” message for safe postal handling

• Strong manilla paper for durability

• Self-seal closure for quick and secure sealing

• Large A3 / C3 size for flat documents and artwork

Specifications – Key Features:

• Brand: Arpan

• Product Type: Hardback Board-Backed Envelopes

• Size: A3 / C3

• Dimensions: 457mm × 324mm

• Material: Manilla paper with rigid cardboard backing

• Closure Type: Self-Seal Adhesive Strip

• Print: “Please Do Not Bend”

• Colour: Manilla

• Pack Size: 50 Envelopes

• Usage: Documents, photos, certificates, artwork, prints

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The Postmaster DL Peel & Seal Envelopes are designed for everyday professional and personal mailing needs. Made from high-quality 100GSM white paper, these envelopes offer a smooth finish, excellent opacity, and a smart, professional appearance.

The peel & seal closure provides a quick, secure seal without the need for moisture, saving time and ensuring a clean, reliable finish. Perfect for letters, invoices, statements, and documents, these DL envelopes are ideal for offices, schools, businesses, and home use.

Supplied in a convenient 50 pack, Postmaster envelopes deliver dependable quality for regular correspondence.

Postmaster DL Envelopes Peel & Seal 100GSM White Paper, 50 Pack – Key Features:

• Premium 100GSM white paper for durability and opacity

• Peel & seal adhesive for fast, mess-free sealing

• Professional DL size for standard correspondence

• Smooth paper finish suitable for printing and handwriting

• Ideal for business and personal use

Specifications:

• Brand: Postmaster

• Product Type: DL Envelopes

• Size: DL (110 × 220 mm)

• Paper Weight: 100GSM

• Colour: White

• Closure Type: Peel & Seal

• Pack Size: 50 Envelopes

• Compatibility: Inkjet & laser printers (check printer settings)

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Merrimen Padded Bubble Envelopes are designed to provide reliable protection for documents, books, electronics, and other fragile or flat items during postage and delivery. Each envelope features a tough kraft paper exterior combined with a cushioned bubble lining that absorbs shocks and prevents damage in transit.

The strong self-seal adhesive strip ensures fast, secure closure without the need for tape, making these padded envelopes ideal for busy offices, online sellers, warehouses, and home use. Their lightweight construction helps reduce shipping costs while maintaining excellent durability. Available in A3, A4, A5, and A6 sizes, Merrimen padded postal envelopes offer a professional and versatile mailing solution for all your packaging needs.

Merrimen Padded Bubble Envelopes A3–A6 | Self-Seal Postal Mailers – Key Features:

• High-quality bubble lining provides excellent cushioning and impact protection

• Durable kraft paper outer layer resists tearing, bending, and moisture

• Self-seal adhesive strip for quick, tamper-resistant closure

• Lightweight design helps lower postage and courier costs

• Smooth surface suitable for labels, handwriting, or printing

• Professional appearance ideal for business and ecommerce shipping

• Available in multiple sizes to suit various mailing requirements

Specifications:

• Brand: Merrimen

• Product Type: Padded Bubble Postal Envelopes

• Available Sizes: A3, A4, A5, A6

• Material (Outer): Strong kraft paper

• Material (Inner): Protective bubble lining

• Closure Type: Peel-and-seal self-adhesive strip

• Colour: Brown kraft (standard)

• Usage: Mailing documents, books, electronics, gifts, and small parcels

• Application: Home, office, ecommerce, warehouse, postal use

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Brighten up your mailing and crafting projects with the Craft 2282 C6 Envelopes in Assorted Colours. This vibrant pack of 200 envelopes is perfect for invitations, greeting cards, thank-you notes, creative projects, and everyday correspondence. Each envelope is crafted in the popular C6 size—ideal for A6 cards or A4 sheets folded into quarters—making them a versatile choice for both personal and professional use.

With a wide range of assorted colours, these envelopes add a fun, eye-catching touch to any message. Their quality paper construction ensures durability, while the easy-to-use gummed or self-seal (specify if needed) closure provides a secure seal every time. Whether you’re preparing party invitations, craft projects, or colourful mail-outs, this pack delivers excellent value and creativity in one.

Craft Envelopes 2282 C6, Assorted Colours, 200 Pack – Key Features:

• C6 size (114 x 162mm) – Ideal for A6 cards or A4 sheets folded twice.

• Pack of 200 envelopes – Perfect for bulk use in crafting, events, or general mailing.

• Assorted colours – Adds colour and personality to every piece of mail.

• Quality paper construction – Durable, smooth and perfect for writing or printing.

• Suitable for crafting and card-making – Great for home, school, or creative projects.

• Versatile design – Perfect for invitations, greeting cards, notes, and more.

Specifications:

• Brand: Craft

• Product Code: 2282

• Envelope Size: C6 (Approx. 114 x 162mm)

• Closure: Gummed or Self Seal (please confirm if needed)

• Colour: Assorted Colours

• Material: Quality craft paper

• Pack Size: 200 Envelopes

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Luxurious Textures

The textures of the Creative Senses range pack the envelopes with individuality, with each envelope feeling as good as it looks, from the sensational soft finish of the Velvet Envelopes to the chunky textures of the handmade and felt mark envelopes.

Evoke the senses

Creative Senses: ‘Keep in touch’ with our most tactile, stimulating range. This collection comprises an array of different alluring effects and textures, shouting to be noticed. Evoke the senses with this enticing collection, from natural finish and translucent envelopes through to velvet finishes and handmade envelopes.

Handmade & Feltmark Envelopes

These beautiful envelopes are crafted from handmade paper converted to an envelope by handmade processes, making each envelope as unique as your signature. The deckle edge flaps give each envelope a unique overture

Natural Finish Envelopes

These envelopes put you in touch with everyday natural surfaces that we often take for granted, reflecting the beauty and uniqueness of their appearance. An envelope with meaning – so natural, so real, so different!

Velvet Envelopes

Truly Unique and sensational in touch and appearance, these envelopes have a luxurious soft velvet finish. If you want your mailing to touch every sense this has to be the envelope for you!

Translucent Envelopes

For mailings that need to be noticed, this range of translucent envelopes is designed to do just that. They will captivate your attention, with the see through paper giving an air of individuality to any mailing

Blake Purely Everyday DL Self Seal Envelopes, 110 x 220mm, 85gsm, Plain Wallet, White (FL3882) – Pack of 1000 – Key Features:

• DL size (110 x 220 mm) – Suitable for A4 documents folded into thirds.

• Premium 85gsm paper – Ensures strength, durability, and a professional look.

• Self-seal closure – Simple, fast, and secure sealing without moisture.

• Plain wallet style – Clean, versatile design suitable for all correspondence.

• White colour – Offers a crisp, professional finish.

• Bulk pack of 1000 envelopes – Ideal for high-volume mailing environments.

• Blake Purely Everyday range – Trusted brand known for high-quality envelope solutions.

Specifications:

• Brand: Blake

• Range: Purely Everyday

• Product Code: FL3882

• Envelope Size: DL (110 x 220 mm)

• Style: Wallet

• Closure: Self Seal

• Colour: White

• Material Weight: 85gsm

• Window: No (Plain)

• Pack Size: 1000 Envelopes

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