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Guide dieline

E-Commerce & Shipping

One-Piece Folder

Also known as OPF / Book Wrap

A single sheet that wraps around flat products like books and prints.

Good for

  • Art Prints
  • Books
  • LP Records
  • Glass Frames

Structure

  • Wrap Folds
  • Fit Sizing Depth
  • Compact Shipping

Material guidance

Corrugated board is the usual choice: E-flute for mailers, B-flute or double wall for heavier shippers.

Current size: 320 × 320 × 20 mm. Guide dieline drawn to this size; request the production file before cutting.

Request production dielineAll box styles

The structure, unfolded.

Change the size and the dieline redraws.

One-Piece Folder dieline at 320 × 320 × 20 mmBase
  • Cut lines
  • Fold / crease
  • Perforation
  • Bleed guide

How a one-piece folder is built

A one-piece folder: a single sheet that wraps around a flat product, folding up from a central base with side and end panels that overlap and lock or tape.

Putting it together

  1. 1Place the product on the base.
  2. 2Fold the long sides over.
  3. 3Fold the ends up and tuck or tape them closed.

Measuring for this style

Length (L)
The length of the product it wraps.
Width (W)
The width of the product.
Height (H)
The thickness of the product.

All sizes are inside dimensions. Add 1 to 2 mm of clearance around the product. How to measure

When to choose it

For books, calendars, frames and other flat items shipped by post. For deeper items choose a roll-end mailer; for rolled prints choose a triangular postal tube.

Before you print

  • Corrugated adds thickness: the outside is about two board thicknesses larger than the inside on every axis.
  • Leave a few millimetres of room for wrapping paper or tissue.

Questions

One-Piece Folder FAQs

Short answers about sizing, board and files for this style.

What size should I enter for a One-Piece Folder?

Enter inside dimensions in millimetres, centimetres or inches. Length: the length of the product it wraps. Width: the width of the product. Height: the thickness of the product. Measure the product at its widest points and add 1 to 2 mm of clearance (3 to 5 mm for rigid boxes).

Which material is best for a One-Piece Folder?

Corrugated board is the usual choice: E-flute for mailers, B-flute or double wall for heavier shippers.

How is a One-Piece Folder put together?

Place the product on the base. Fold the long sides over. Fold the ends up and tuck or tape them closed.

Can I download a One-Piece Folder dieline?

You can open the One-Piece Folder in PW Studio at your exact size and save a preview of the guide dieline for planning. For a production cutting file, request the dieline and we prepare it for your board.

What else is a One-Piece Folder called?

It is also known as OPF / Book Wrap. For books, calendars, frames and other flat items shipped by post.

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