CardboardShaper
Mailer box folded in 3D, opened, with 3 × mass-market paperback (US trim) inside

Box for paperback books

Mailer box · FEFCO 0427

Sized for
3 × mass-market paperback (US trim)
Product
177.8 × 108 × 18 mm, ×3 (estimate)
Inside
182 × 112 × 58 mm
Board
E-flute corrugated (1.5 mm)
Blank
440 × 407 mm

Make this box About the mailer box

Folded shut and measured in 3D: the cavity is 182 × 111.8 × 58 mm and the product block fits without touching the board. Free to open and change; €2.50 for the PDF, €3.50 for the DXF or SVG.

Why these numbers

Three mass-market paperbacks, the classic used-book order.

Every size on this page is an example to start from. Products change between models, editions and makers, so measure the one you are packing.

Where the product size comes from

Paperback books: from a published standard or format specification.

“The books measured 6.5" by 4.25" (16.5 cm by 10.8 cm) ... Eventually in the 1950s the height increased by 0.5" (1.4 cm) to 7" (18 cm). The width remained the same”
en.wikipedia.org

The flat blank

More boxes like this

Product and brand names are used only to say what the box is sized for. They belong to their owners; CardboardShaper is not affiliated with or endorsed by any of them.