CardboardShaper
Mailer box folded in 3D, opened, with 10 × Greeting card 5x7 inch (with A7 envelope) inside

Box for greeting cards

Mailer box · FEFCO 0427

Sized for
10 × Greeting card 5x7 inch (with A7 envelope)
Product
177.8 × 127 mm, ×10 (estimate)
Inside
188 × 137 × 16 mm
Board
E-flute corrugated (1.5 mm)
Blank
308 × 331 mm

Make this box About the mailer box

Folded shut and measured in 3D: the cavity is 188 × 136.8 × 16 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

Ten 5 × 7 inch cards with their A7 envelopes (the 10 mm extra is the envelope).

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

Greeting cards: from a packaging or retail supplier's listing.

“A7 envelop: "5 1/4 x 7 1/4 inch"”
envelopes.com

The flat blank

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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.