A capcluster has a black foil that users can remove once all tubes have been capped. After removing the foil, you can remove individually capped tubes from the rack. A capmat has a fixed foil that cannot be removed once tubes have been capped. After capping, you cannot remove individually capped tubes from the rack. A capband is a capmat with perforated edges that can be torn into strips of 8 or 12 caps.
