Custom Interlock Boxes
Interlock is an available structure within UPG's custom tuck box family. The locking arrangement, dimensions, panel layout, board, print, and finish specification are confirmed during structural review.
Common search terms: interlock boxes, custom interlocking boxes, interlock cartons.
Use the style name as the start of the brief.
A reference structure or existing dieline is useful when interlock is the preferred starting point.
Final pricing and production timing are confirmed only after the structure, dimensions, material, printing, finishes, quantity, proofing requirements, and destination have been reviewed.
What to send before UPG prices the project.
A useful enquiry does not need to be perfect, but these inputs reduce avoidable questions and help the correct structure reach review sooner.
Finished product dimensions and product weight
A reference box, dieline, or photo of the intended lock when available
Required quantity and destination
Board, print coverage, finish details, and artwork status
Materials, print, and finish options.
These are the approved core options for the parent tuck boxes family. Final suitability is confirmed for this style and project.
- SBS C1S for one-sided printing
- SBS C2S for printing on both sides
- Brown, white, or black kraft
- CCNB and chipboard
- Corrugated board with flute selected for the structure
- One-sided printing
- Printing on both sides
- Interior printing where the selected stock supports it
- Matte or gloss
- Foil stamping
- Spot UV
- Embossing or debossing
- Window
Plan interlock boxes with clear boundaries.
These answers separate a useful planning page from an instant-price or automatic-approval promise.
Compare the closest approved styles.
Every linked page represents a format inside UPG's current product range.
Auto-Lock Bottom Boxes
Plan custom auto-lock bottom boxes with UPG's approved tuck-box materials, finishes, exact size-based MOQ guidance, and quote handoff.
Review this format →Tuck box styleReverse Tuck End Boxes
Plan custom reverse tuck end boxes with size-based MOQs, approved materials, print options, finishes, and a project-specific UPG quote.
Review this format →Tuck box styleSeal End Boxes
Plan custom seal end boxes, including cereal-style cartons, with UPG's approved materials, finishes, size-based MOQs, and quote process.
Review this format →Start a interlock boxes project.
Send the known product, dimensions, quantity, print, finish, and destination details. UPG will review the structure and prepare project-specific pricing.