California's complete ban on single-use retail plastic bags took effect on 1 January 2026, and twelve US states now run their own rules. For retail buyers this changes the question from "what is the cheapest bag" to "what can I prove". This guide gives a seven-question checklist for qualifying custom reusable bag suppliers, a specification template you can send with an RFQ, and the red flags that signal a quotation will fail you at inspection.
Read MoreTwo suppliers quote what looks like the same shopping bag and the numbers differ by a factor of three. The gap is almost never margin — it is specification. This guide breaks down the eight variables that actually set the price of a custom shopping bag, explains why cost per trip matters more than unit price, and gives a comparison table you can use to force three quotes onto equal terms.
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