Audio Cassette Storage Box.
Archival barrier board. Holds 30 cases.
12 x 9 x 3".

Audio Cassette Storage Box - Archival
12 x 9 x 3" (L x W x H)  
Holds 30 cassette tape cases.

This box is made from 60 pt. blue-gray barrier board with white liner. The material is lignin-free and acid-free.  It has a pH of 8.0-9.0 and is buffered with a 3% calcium carbonate. Comes with metal-reinforced corners for stacking strength.