Square Slip Lid Tin

Ask for body and lid drawings showing corner radii, rim dimensions, and fit tolerances. Check opening from multiple sides on decorated samples. The lid should be evaluated around the whole perimeter, since a satisfactory feel on one edge does not establish consistent square-lid fit.

Define the required protection at the assembled-pack level and ask for the actual seam and closure specification. Evaluate the food in the finished tin or its proposed inner pack. A metal wall and a lift-off lid do not establish hermetic sealing or a shelf-life claim.

Provide the product dimensions, corner shape, and any wrap thickness, then confirm the tin's usable internal envelope below the lid. Trial both loading and consumer removal. Avoid calculating fit from the external square dimensions, which also include the wall and formed rim.

Request a tooling-specific print layout identifying the corners, joins, and formed areas. Review the decorated sample from all sides and inspect small text near transitions. Agree where critical branding may sit before approving continuous patterns that depend on close registration around the body.