C3 Envelope Mailers 430 x 330 (405 x 280 x 50)mm

£0.62 inc VAT

Protect and deliver your flat and semi-bulky items with our C3 Envelope Mailers — a cost-effective, eco-friendly packaging solution perfect for ecommerce, retail, and office use.

Flat packed external dimensions: 430 x 330 x 5mm

Expandable external dimensions: 405 x 280 x 50mm

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Quantity Discount (%) Price Per Box (inc. VAT)
25 - 274 £0.62
275 - 499 3.85 % £0.60
500 - 1,199 7.69 % £0.58
1,200+ 13.46 % £0.54
FREE 48-hour UK delivery for orders over £100
SKU: ROW311948 Category:

Description

Key Features & Benefits

Feature Benefit to You / Buyer
Expandable depth up to 50mm Accommodates thicker items like small books, DVDs, or packed textile goods.
100% recyclable cardboard Environmentally responsible — ideal for businesses seeking green packaging.
Tamper-proof adhesive strip Ensures secure closure; customers can trust their goods are safe.
Easy-open tear strip Allows recipients to open without damage — boosting satisfaction.
Slim, letterbox-friendly design Keeps postage costs down vs bulky boxes.
UK stock & fast delivery 2–3 working day dispatch, and free delivery on orders over £100. Next day delivery also available.

What You Can Use It For

These mailers are recommended for sending:

  • Books, diaries & magazines

  • Brochures, catalogs, and comics

  • Artwork, prints & framed documents

  • Computer games, DVDs, CDs

  • Textiles, garments, accessories

  • Photographs, documents, paper goods

If your item is flat, rigid, or needs gentle padding, these mailers are a great choice.

Technical Specifications

  • Flat packed external dimensions: 430 x 330 x 5mm
  • Expandable external dimensions: 405 x 280 x 50mm
  • Material: Fully recyclable cardboard, FSC certified

  • Closure: Self-adhesive tamper-proof strip with tear strip

  • Stock: Typically 7,500 units available

  • Pallet quantity: 1,200 units

Additional information

Dimensions 405 × 280 × 50 mm
Box Dimensions

400 x 278 x 40mm

Dimensions (Inches)

15.7 x 10.9 x 1.5 in

FAB mm H

50mm

FAB mm L

405mm

FAB mm W

280mm

FAB Inches H

2in

FAB Inches L

15.7in

FAB Inches W

10.9in

Buy More Save More – when ordering in higher volumes!

FREE 48-hour UK delivery for orders over £100