Common materials across these listings include polyester, cardboard/paperboard, and various plastics (notably polypropylene). Some fireproof models use silicone‑coated fiberglass construction, and a few items note internal polypropylene support frames or paperboard cores for added structure.
Typical outside dimensions in these listings run about 10–14 inches high, roughly 12.5–14.5 inches wide, and approximately 16.13–18.5 inches deep, depending on the model.
Yes. Several options include built‑in ledges or removable rails for hanging folders; descriptions and reviews note that many accept both letter‑ and legal‑size hanging files for organized storage.
Assembly varies by product: some cardboard or recycled storage boxes note "adult assembly required" or offer EZ‑fold/quick assembly, while most plastic tubs and molded storage bins state "no assembly required."