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Corrugated Mailer(Fluted)

corrugated mailers (fluted) are the standard for shipping items that require rigid protection without adding excessive postal weight.

Core Advantages

  1. Bending & Impact Protection: The arched structure of the fluting acts as miniature columns, distributing external pressure and protecting contents from corner drops.

  2. Eco-Friendly / 100% Recyclable: Offers an easy substitute for plastic bubble mailers, fitting well into curb-side paper recycling streams.

  3. Dimensional Stability: Keeps items like vinyl records, books, or certificates flat during high-volume transit sorting.

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180 x 180mm Brown Rigid Cardboard Book Mailers 400gsm

180 x 180mm Rigid Cardboard Book Mailers – 400gsm Brown Peel & Seal Postal Packaging (Box of 100)

BM(F)-180x180-100
Protect your books, documents and flat items with our 180 x 180mm Rigid Cardboard Book Mailers, manufactured from strong 400gsm corrugated cardboard. Featuring a convenient peel-and-seal closure and easy-open tear strip, these brown postal mailers provide secure, professional packaging for e-commerce orders and everyday shipping.
From £10.00 ex. VAT
180 x 235mm Brown Rigid Cardboard Book Mailer with Peel & Seal Closure – Internal Dimensions

180 x 235mm Rigid Cardboard Book Mailers – 400gsm Brown Peel & Seal Postal Packaging (Box of 100)

BM(F)-C5-100
Protect your books, documents and flat items with our 180 x 235mm Rigid Cardboard Book Mailers, manufactured from strong 400gsm corrugated cardboard. Featuring a convenient peel-and-seal closure and easy-open tear strip, these brown postal mailers provide secure, professional packaging for e-commerce orders and everyday shipping.
From £10.99 ex. VAT
194 x 292mm Brown Rigid Cardboard Book Mailer with Peel & Seal Closure – Internal Dimensions

194 x 292mm Rigid Cardboard Book Mailers – 400gsm Brown Peel & Seal Postal Packaging (Pack of 50)

BM(F)-194x292-50
Protect your books, documents and flat items with our 194 x 292mm Rigid Cardboard Book Mailers, manufactured from strong 400gsm corrugated cardboard. Featuring a convenient peel-and-seal closure and easy-open tear strip, these brown postal mailers provide secure, professional packaging for e-commerce orders and everyday shipping.
From £7.00 ex. VAT
234 x 334mm Brown Rigid Cardboard Book Mailer with Peel & Seal Closure – Internal Dimensions

234 x 334mm Rigid Cardboard Book Mailers – 400gsm Brown Peel & Seal Postal Packaging (Box of 100)

BM(F)-C4-100
Protect your books, documents and flat items with our 234 x 334mm Rigid Cardboard Book Mailers, manufactured from strong 400gsm corrugated cardboard. Featuring a convenient peel-and-seal closure and easy-open tear strip, these brown postal mailers provide secure, professional packaging for e-commerce orders and everyday shipping.
From £16.99 ex. VAT
249 x 352mm Brown Rigid Cardboard Book Mailer with Peel & Seal Closure – Internal Dimensions

249 x 352mm Rigid Cardboard Book Mailers – 400gsm Brown Peel & Seal Postal Packaging (Box of 100)

BM(F)-249x352-100
Protect your books, documents and flat items with our 249 x 352mm Rigid Cardboard Book Mailers, manufactured from strong 400gsm corrugated cardboard. Featuring a convenient peel-and-seal closure and easy-open tear strip, these brown postal mailers provide secure, professional packaging for e-commerce orders and everyday shipping.
From £19.99 ex. VAT
321 x 467mm Brown Rigid Cardboard Book Mailer with Peel & Seal Closure – Internal Dimensions

321 x 467mm Rigid Cardboard Book Mailers – 400gsm Brown Peel & Seal Postal Packaging (Pack of 10)

BM(F)-C3-10
Protect your books, documents and flat items with our 321 x 467mm Rigid Cardboard Book Mailers, manufactured from strong 400gsm corrugated cardboard. Featuring a convenient peel-and-seal closure and easy-open tear strip, these brown postal mailers provide secure, professional packaging for e-commerce orders and everyday shipping.
From £3.72 ex. VAT