Independent · Label-checked · No blends

Is it really 100% cotton?

Plenty of products say “cotton” on the front and something else on the label. We read the fine print, ask brands about the thread and elastic, and only recommend things that are cotton in every textile part.

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How to Tell if Sheets Are Really 100% Cotton

A legal “100% cotton” label can still leave out the thread, the elastic and the trim. Here’s how to read sheet labels, decode the marketing, and check the parts the label skips.

Updated October 20, 2026

Why “100%” is harder than it sounds

US labeling rules let a “100% cotton” label leave out sewing thread, small trims and, in some cases, elastic. That’s legal, but it means the label isn’t the whole story. So we go further: we check those parts too, and we tell you what we couldn’t confirm.

What certifications actually prove