Book Fold Mailers are an easy, fast and economical mailing option. These variable-depth Bookfold Mailers help reduce the need for multiple boxes. One-piece corrugated construction, with multiple scores folds to variable depths. Light-weight and strong construction of 200# test, B-flute corrugated fiberboard. Shipped flat in bundles.
Inside Dimensions (inches): Length" x Width" x Depth" These boxes have 1, 2, 3 or 4 different depth adjustments! All Book Fold Mailers are sold in bundles only.