Textile fiber content label builder: FTC rules.

Worked example

A shirt is 60% cotton, 36% polyester, 3% spandex and 1% viscose, imported. Spandex is under 5% but serves a function (stretch), so it may be named; viscose is under 5% with no functional purpose, so it falls into Other Fiber. The builder outputs 60% Cotton, 36% Polyester, 3% Spandex, 1% Other Fiber, followed by the origin and identity lines. Enter wool at 2% and it stays named because wool is always named.

Before you start

The checker asks: Is the product a covered textile item; Fibers and percent by weight (one per line); Low-percent fibers that serve a function (comma separated); Origin; Identity on the label. Have your supplier paperwork, specification sheet and draft listing copy open, because each answer maps to a specific rule quoted below.

The result gives a verdict, the reasons behind it with the rule text it relied on, and next steps. Where your answers leave a real gap, it says "check" instead of guessing. Nothing you type leaves your browser, so you can try different answers to see how the verdict changes.

What the official source says

• What a label carries: the FTC says covered products need fiber content, country of origin and the identity of the manufacturer, importer or other dealer (company name or RN). Country of origin must appear on the front of the label, in English, and all fiber content information must be in type of equal size and conspicuousness.
• The 5% rule: generally only fibers of 5% or more are named by generic name; others are grouped as other fiber or other fibers. Wool and recycled wool are named even under 5%, and a fiber under 5% may be named when it has a functional purpose such as spandex.
• Order and ornamentation: fibers are listed from most to least by weight, 'All' may replace 100% for single-fiber products, and ornamentation of 5% or less may be excluded with an exclusive of ornamentation statement.
• Online and catalog ads: an origin statement (Made in U.S.A., Imported, or both) must match the label, and fiber content must be disclosed in ads that mention a fiber (percentages not required in the ad). Source: FTC – Threading Your Way Through the Labeling Requirements Under the Textile and Wool Acts.
• Care labels: a separate FTC rule covers care instructions on apparel: Care Labeling Rule guide.

All sources retrieved October 2026. Not covered: does not check that you used the FTC's generic fiber names, decide the exact origin wording for mixed supply chains, cover trim and lining exceptions or fur and leather rules. Pick fiber names from the FTC list. Rules change; the linked page governs.