Magazine Storage Box Blue-Gray Archival Corrugated with Lid 11-1/2 x 9 x 15" (H x W x D) Holds up to 150 standard magazines. These blue-gray boxes are made from acid-free, lignin-free, sturdy B-Flute corrugated material. They are buffered with a 3% calcium carbonate buffer, which prevents acids from reaching the contents. Ships flat and folds together.