sealed box

Most sealed storage boxes are made from plastic, with polypropylene listed specifically in several product descriptions.

Capacities vary widely, from small fridge-style lockers (about 37 ounces) up to large tubs. Examples in the selection include 6‑quart, 16‑quart, 30‑quart, 32‑quart, 56‑quart and 72‑quart options.

Routine care listed for most products is spot cleaning or wiping clean with a damp cloth.

Listed protection features include stain-resistant surfaces on some models and construction that is advertised as BPA‑free and phthalate‑free.

Many boxes are stackable using taller/hi‑rise or matching/indexed lids so same‑size boxes stack neatly. Some models are also slimmer to save shelf space.

Fridge and dorm‑style boxes often emphasize portability (compact, collapsible, or easy‑carry designs) and secure lids or locks; some also mention ventilated/air‑flow features and combination‑style locks.

Many boxes feature clear or transparent bases and walls, and some have clear lids so contents can be seen without opening.