Pacific Cloth, more formally Pacific Silvercloth, is a branded anti-tarnish fabric used for the storage of silver jewellery, flatware, and decorative objects. The fabric is impregnated with finely divided silver and other reactive metals that absorb atmospheric sulphur compounds — principally hydrogen sulphide and mercaptans — before they reach the stored silver. By acting as a sacrificial absorber, the cloth protects sterling, fine silver, and silver-plated items from the surface tarnish that develops on unprotected silver in normal household and storage environments. It is the conservation-grade storage solution recommended by museums, silversmiths, and serious collectors.

How it works

Tarnish on silver is silver sulphide (Ag₂S), a thin black or brown surface compound formed when silver atoms react with sulphur compounds in the surrounding air. The principal sources are atmospheric pollution, certain household materials (rubber bands, wool, cardboard, some paints), and even normal cooking environments. Pacific Cloth contains active particles of silver and other metals dispersed through a soft cotton or flannel substrate; these particles react preferentially with the sulphur in the immediate microenvironment, capturing it before it can reach the silver object stored inside the cloth.

The protection is passive — no power, no chemicals, no maintenance — and the cloth continues to function until its absorptive capacity is exhausted, typically after several years of normal use. The cloth itself does darken over time as a visible record of the sulphur it has absorbed, providing an indirect indicator that it is reaching the end of its service life. Replacement cloths are inexpensive relative to the cost of polishing and refinishing tarnished silver, and the conservation-economic argument for using them is straightforward.

Forms and use

Pacific Cloth is sold in several forms: as bulk yardage for lining drawers and cabinets, as pre-made bags for individual silver pieces, as roll-up cases for flatware, and as wraps and pouches for jewellery. The fabric is soft enough to wrap directly around polished silver without scratching, and its closed-weave construction further reduces airflow and slows tarnish progression. For maximum effect, items are placed inside the cloth and the cloth assembly is then placed inside a closed storage container — drawer, cabinet, lockable case — which compounds the protective effect.

For jewellery specifically, individual pouches for each piece are recommended over a single large compartment, both because piece-on-piece contact still abrades soft silver surfaces and because individual wrapping concentrates the protective action of the cloth around each item. Pacific Cloth pouches are commonly used in retail jewellery stores for the silver inventory and in private collections for the working silver that is removed from cabinet display.

Conservation context

Museum conservation departments, including those at the Victoria and Albert Museum and the Smithsonian, use Pacific Cloth and equivalent anti-tarnish products as part of their broader silver-storage protocols. The conservation literature treats the cloth as a useful tool within a larger storage strategy that also addresses humidity, temperature, light exposure, and physical security. For collectors and trade workshops, the same protocols apply at smaller scale: stored silver that is wrapped, kept in closed containers, in stable temperature and humidity, and inspected periodically for early signs of tarnish remains in much better condition than silver stored loosely in open drawers.

The cloth is not a substitute for periodic cleaning or for handling discipline. Silver that is worn frequently builds a soft natural patina that many wearers prefer to a constantly-polished surface; that patina is desirable and should not be treated as tarnish. The aim of anti-tarnish storage is to slow the progression of corrosive sulphide formation on silver in storage, not to keep all silver in a state of continual high polish.

In the trade

Pacific Cloth is the dominant brand for this category in the North American trade and is widely used in jewellery retail, silversmith workshops, and collector storage. Equivalent products from other manufacturers are available and use similar metallurgical principles; the brand name has become a generic term in some trade usage. The cost is low — a typical jewellery-pouch cloth runs only a few dollars — and the protective benefit relative to that cost is substantial.

Further reading

• GIA — silver care and storage
• International Gem Society — silver storage and tarnish prevention
• Victoria and Albert Museum — silver conservation reference