These boxes are designed for proper archival storage of audio cassettes in their jewel cases. Made of acid free 55pt blue gray and white board and stayed with enameled metal strips. Both the grey outer liner and white inner liner are lignin free and conform to the ANSI IT9.2 Standards, sulpher free, and buffered with calcium carbonate to a pH of 8.5. Made in style of the shoe box with a shallow lid.
Interior Dimensions: 12" x 4.5" x 3": stores 18 cassettes
Interior Dimensions: 12" x 9" x 3": stores 36 cassettes