Quality-Checked Source-Wording Label Exact-Spec Pages

These Packrift exact-spec pages have been refreshed with source-backed label specs, source-wording notes, product/reorder/bulk quote paths, substitute checks, FAQ schema, SEO metadata, public QA, crawler Markdown/JSON links, and indexing submission.

4 x 4 D.O.T. Hazard Labels - DL1288 - SKU DL1288; 4 x 4 in, D.O.T. Hazard, 500/Roll, with Markdown and JSON crawler records.
4 x 4 D.O.T. Hazard Labels - DL5090 - SKU DL5090; 4 x 4 in, D.O.T. Hazard, 500/Roll, with Markdown and JSON crawler records.
4 x 4 D.O.T. Hazard Labels - DL5100 - SKU DL5100; 4 x 4 in, D.O.T. Hazard, 500/Roll, with Markdown and JSON crawler records.
4 x 4 D.O.T. Hazard Labels - DL5120 - SKU DL5120; 4 x 4 in, D.O.T. Hazard, 500/Roll, with Markdown and JSON crawler records.
4 x 4 D.O.T. Hazard Labels - DL5140 - SKU DL5140; 4 x 4 in, D.O.T. Hazard, 500/Roll, with Markdown and JSON crawler records.