Custom Multi-Depth Mailer Boxes

One box. Multiple heights. These custom multi-depth mailer boxes (scored mailers) use built-in score lines so you can adjust depth on the fly — perfect for brands shipping different SKUs, bundle thicknesses, or seasonal kits without stocking five separate box sizes.

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This page covers custom multi-depth mailer boxes — corrugated mailers with pre-scored height lines that let fulfillment teams “set” the depth to match the order. The goal: reduce void space, keep items from shifting, and stay efficient when your catalog includes multiple thicknesses.

Seven Packaging produces custom printed multi-depth mailers in the USA using kraft or white liners, tuned flute choices (often E/B depending on rigidity and print needs), and optional upgrades like tear strips, peel-and-seal, interior print, and inserts. For distribution-test reference, see 21 CFR 211.132 when your category needs tamper-evident considerations (bands/seals/labels) beyond standard mailer closure.

Why Choose Multi-Depth (Scored) Mailer Boxes?

Because when order thickness changes daily, adjustable depth keeps your packing fast, your product stable, and your shipping math honest.
  • Adjust depth in seconds: Score lines let your team “set” the height to match each order — no guessing.
  • Less void, less shifting: A tighter fit reduces movement, scuffs, and corner damage during transit.
  • Fewer SKUs to stock: One box can cover multiple product thicknesses and bundle sizes.
  • Cleaner branding at scale: Great for standardization—consistent exterior print, optional interior instructions/QR maps.

Need a different mailer format? Compare outside-tuck (REFT), bookfold/easy-fold, literature mailers, and end-loading mailers.

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Compare Multi-Depth Mailers vs. Other Corrugated Mailer Styles

Feature comparison of corrugated mailer box styles
Feature Multi-Depth (Scored) Outside-Tuck (REFT) Bookfold / Easy-Fold End-Loading Mailer
Best for Multiple SKU thicknesses, bundles, variable-height orders DTC subscriptions, apparel, general-purpose e-commerce Books, prints, frames, bend-sensitive flat kits Long items or “slide-in” workflows; fast insert + secure close
Protection style Tuned fit via score lines; reduced shifting and void Rigid walls + front tuck lid Wrap-around coverage + strong edges End-close structure; strong side walls and stable panels
Cost control Fewer box SKUs; better right-sizing across orders Efficient for standard sizes Right-sizing reduces DIM exposure Efficient for slide-in products; consistent assembly speed
Branding options Exterior print; interior optional (great for instructions/QR) Exterior print; interior optional Exterior + interior print optional Exterior print; interior optional
Considerations Artwork planning around score lines; avoid critical graphics on fold breaks Not ideal for very flat, oversized items Needs accurate sizing for snug wrap and corner control End flaps/locks must match product length tolerance