Protect your precious items and all your fragile belongings. The item is designed specifically to protect any valuable articles and electronics from moisture and oxidation damage. Designed with a calendar lid, it is easy and convenient to date your product, and the built-in hygrometer measures the inside humidity level. Applications: Memorabilia: baseball cards, autographed objects (baseballs, photos, books, etc.), documents, photos, albums, coins, cigars, collectibles, rare items, etc. Precious Articles: precious stones, metal, jewelry, silverware, antiques, art works, watches, leather products, etc. Electronics: cameras, lenses, discs, DVDs, CDs, scientific instruments, films, MP3 Players, et