Square Hinged Lid Tin

Review lid alignment, corner clearance, hinge travel, and how the user grips the front edge. Test samples containing the intended product and insert. Open and close them repeatedly to agree acceptable fit and appearance rather than approving the package from its square footprint alone.

Show the tray supplier the hinge location and full internal drawing. Trial loading, closure, and lid opening with the tray installed. Leave the required clearance around moving or projecting features so the insert does not prevent proper closure or catch during product removal.

Decide this from the intended food, lining, seam, and closure construction, supported by a suitable testing program. A hinge is an access mechanism, not evidence of hermetic containment. Consider whether a sealed inner pouch is needed to meet the actual product-protection requirement.

Submit artwork with the preferred size and relief for tooling review. Ask which regions must remain clear around the hinge and closure features, then inspect decorated samples on the final body. Approve opening and lid seating along with the graphic effect.