They’re made to hold standard letter-size paper (8.5" × 11"). Example listed folder dimensions include 9.5 × 11.625 in, 9.5 × 11.5 in, 9.25 × 11.5 in, 9 × 12 in, and 9.4 × 11.75 in.
These folders are typically made from plastic materials such as polypropylene (often labeled “poly plastic” or simply “plastic”) used for durability and easy cleaning.
Listings and user reviews commonly describe these folders as tear-resistant, water-resistant or easy-to-clean, and generally sturdy enough for regular classroom or office use.
They’re commonly used for school (homework, take-home folders, parent-teacher communication) and for office or home document organization such as handouts, presentations, and correspondence.
Many folders include built-in business-card slots and clear front or back pockets/sleeves that let you insert name tags, cover sheets, or labels for easy identification.
Listings typically offer a wide color selection—red, blue, green, lime green, purple, orange, yellow, pink, black, and clear—and many multi-packs include assorted primary-color sets.
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