Common materials shown in listings include polyester, polyethylene, polypropylene, and other generic plastics, depending on the bag type.
Most use standard zipper closures or slide-zip/slider seals. Compression-style bags also use zippers but typically require a vacuum to remove air and achieve compression.
Most listings advise spot cleaning or wiping the bag clean; this is the primary care instruction provided.
Some listings describe compression-style bags that are airtight and water-resistant. These use a zipper closure and typically require a vacuum to remove air and compress the contents.
Reviewers frequently describe the bags as very large or extra-roomy and often note sturdy, well-made construction with durability suitable for storage and moving.