Why is a cross-shaped book mailer better than a standard padded bubble envelope?

Padded bubble mailers offer zero corner crush protection, resulting in dented book corners during postal sorting. A rigid corrugated wrap mailer suspends the book inside double-creased perimeter walls.

How does the tear-strip opening work?

Our generator adds two parallel perforated score lines (8mm apart) across the top seal flap so the customer can pull a zipper strip to open the package without using a box cutter that could slice the book inside.

Can I use this generator to make a 12-inch Vinyl LP Record Mailer?

Yes! Set Length = 325mm, Width = 325mm, Height = 12mm, and Thickness = 1.5mm (E-flute) or 2.8mm (B-flute) to create a standard 12-inch LP record cruciform mailer that holds 1 to 4 vinyl albums.

Where should the double-sided peel-and-seal adhesive tape be applied?

Apply a 12mm–15mm strip of hot-melt peel-and-seal transfer tape along the outer edge of the top closure flap, directly above the two parallel tear-strip perforation lines.

TEMPLATE ID: PRE-PKG-060 310 × 225 × 25 mm (T=1.5mm) Pre-Verified 1:1 Static Files Ready

A4 Hardcover Book, Art Print & Catalog Rigid Wrap Mailer Dieline (310 x 225 x 25 mm)

Interactive Parametric 2D & 3D Studio

Live 2D Dieline, Interactive 3D Fold Preview & Custom Size Generator

Pre-loaded with A4 Hardcover Book Mailer (310×225×25 mm, T=1.5mm)

1:1 CAD ENGINE READY

A4 Hardcover Book, Art Print & Catalog Rigid Wrap Mailer Dieline (310 x 225 x 25 mm)

1CAD Style & Material SetupPackaging

Select CAD Style / Model (36)Search & Filter

Material Stock Preset (Auto-Sets Caliper T & Kerf K)

Display Units

Reference Mode

2Dimensions (ID Mode)Millimeters (mm)

Internal Length (L)310 mm

Internal Width (W)225 mm

Internal Height / Flange (H)25 mm

Inside ID: 310×225×25mmOutside OD: 313×228×28mm

Thickness (T mm)

Laser Kerf (K mm)

3Brand Logo & 1:1 ExportZero Login

2D & 3D Brand Logo Mockup:

📤 Upload Logo

Print Artwork Bleed Guide:

Embed Spec Sheet & 50mm / 1" Scale Bars (Added on separate DIMENSIONS layer)

Pre-Flight Geometry Audit8/8 PASSED

PASS
Closed Outer Contours: 1 closed LWPOLYLINE cut loop(s) verified
PASS
Zero Duplicate Cut Paths: 14 unique segments (0 laser double-burns)
PASS
Flute & Kerf Tolerance Guard: T=1.50mm, K=0.000mm within structural limits
PASS
ISO Layer Color Separation: CUT (Red), CREASE (Blue), SCORE (Emerald), DIMENSIONS isolated
PASS
1:1 Physical Unit Header: Explicit mm/in SVG viewBox + DXF $INSUNITS=4 + 50mm PDF bar
PASS
Exact 2D Cut Bounding Parity: Cut Bounds 534×581mm === Blank Size
PASS
2D ↔ 3D Kinematic Model Sync: Archetype 'mailer_envelope_folder' synced (1 3D component(s))
PASS
True Vector Sheet Nesting Sync: 1:1 vector paths mapped to multi-up sheet grid

100%

CUT (2.18m) CREASE/SCORE (2.74m)● 1 Loops · Est. Cut: ~84s

1:1 Synced · Blank: 534 × 581 mm

2D 1:1 Unfolded Vector BlueprintBlank: 534 × 581 mm (21.02" × 22.87")

3D Interactive Fold & Orbit (Kraft Board)

80%

0%100%

Camera:

Yaw: -28°Pitch: 24°

⟳ Drag Anywhere to Rotate 3DL=310 × W=225 × H=25mm

RIGID BOOK MAILER (0401)(310×225×25mm)

TEAR-STRIP CLOSURE WING

Flat Blank Size

534.0 × 581.0 mm

Internal Book Cavity

310 × 225 mm

Variable Spine Depth

Up to 25 mm Capacity

Tear-Strip Seal Flap

81 mm Peel & Seal

Direct Pre-Generated 1:1 CAD Files

Download Static Ready-to-Cut Files (310×225×25 mm)

These static files are pre-calculated for 1.5mm material thickness. Click any format below to download the pre-built static file, or export custom dimensions directly from the interactive Studio above.

↓ Download .DXF AutoCAD / LightBurn ($INSUNITS=4) ↓ Download .SVG Illustrator / Corel (1:1 mm) ↓ Download .PDF 1:1 Print + 50mm Scale Bar

Product Manufacturing Specification Sheet

Calibrated Physical Clearances & Material Stock for A4 Hardcover Book Mailer

Parent Parametric Engine: Rigid Book Mailer Envelope →

Target Physical Product Size

A4 Hardcover Books, Photobooks, Magazines, and Art Prints (297 x 210 mm up to 25 mm thick)

Engineered Internal Cavity & Clearance

+13 mm Length, +15 mm Width buffer zones for corner drop protection

Recommended Board / Sheet Stock

32 ECT E-Flute Corrugated Kraft Board (1.5mm)

Grain / Flute Orientation Rule

Horizontal Flute parallel to the 310mm length for spine bending strength

Production Engineering Note: Includes perforated tear-strip zipper lines on the top sealing flap.

Structural Geometry & Material Reference (FEFCO 0401 / Variable-Depth Book Wrap Mailer)

The Rigid Book Mailer & Variable-Capacity Envelope Folder (FEFCO 0401 / One-Piece Wrap Mailer) is the preferred flat-pack shipping packaging for hardcover books, vinyl LP records, art prints, catalogs, and flat electronics. Constructed as a cruciform (cross-shaped) blank, the product is placed in the center panel, the left and right wings fold inward over the edges, and the bottom and top panels wrap around and seal with a hot-melt peel-and-seal strip and an integrated perforated zipper tear-strip for frustration-free opening.

Total Flat Cruciform Width (W_blank)

W_blank = L_book + 2(H_depth) + 2(W_side_wing)

Sums the central book width, two vertical spine depth gussets, and two protective side wrap wings.

Total Flat Cruciform Height (H_blank)

H_blank = H_seal_flap + 2(W_book) + 2(H_depth)

Combines the top peel-and-seal tear-strip flap, front and back main panels, and top/bottom spine gussets.

Internal CAD Silo & Related Ready-to-Cut Templates