Expanding Book Mailers

Collection Protection Supplies

1-800-767-2247

Our Multi-depth Mailers are made from sturdy 200-pound-test natural kraft corrugated cardboard. We have added new mailers that accommodate thicker books - some up to 4" thick. Mailers come with scores at variable depths - indicated on each mailer below. Measure the length, width and thickness of your product to calculate the best fit.
Stayflats Fit® Mailers can be used flat or expand up to 1-1/4" or 2". They are made from 100% recycled paperboard (.020" or .028" thick) with 90% post consumer content. They come with a peel-and-seal closure and a pull strip opening. These flexible mailers have strong center seam construction; 360º perimeter protection and score lines on all four sides that allow for uniform expansion.

Use corrugated filler pads if additional protection is needed.

Literature Mailer. 11-1/8 x 8-3/4 x 2".
Natural Kraft Corrugated.
Strong 200 lb./ECT-32-B flute material.
Base SKU:mlit118

Literature Mailer. 12-1/8 x 9-1/4 x 2".
Natural Kraft Corrugated.
Strong 200 lb./ECT-32-B flute material.
Base SKU:mlit129

Literature Mailer. 9 x 6 x 1-3/4".
Natural Kraft Corrugated.
Strong 200 lb./ECT-32-B flute material.
Base SKU:mlit96

Multi-Depth Mailer. 6-5/8 x 9-5/8" (inside).
Variable Depths 1/2", 1", 1-1/2", 2", 2-1/2".
Use for thicker books up to 2-1/2".
Base SKU:mmd692

Multi-Depth Mailer. 9-1/8 x 12" (inside).
Variable Depths 1/2 & 1".
Base SKU:mmd9121

Multi-Depth Mailer. 6-5/8 x 9-5/8" (inside).
Variable Depths 2", 2-1/2", 3", 3-1/2".
Use for thicker books up to 3-1/2".
Base SKU:mmd693

Multi-Depth Mailer 8-5/8 x 11" (inside).
Variable Depths 1/2" & 1".
Base SKU:mmd8112

Multi-Depth Mailer 8-5/8 x 11" (inside).
Variable Depths 1/2", 1", 1-1/2", 2".
Base SKU:mmd811

Multi-Depth Mailer. 9-1/8 x 12-1/8" (inside).
Variable Depths 1/2", 1", 1-1/2", 2".
Base SKU:mmd912

Multi-Depth Mailer. 9-1/8 x 12-1/8" (inside).
Variable Depths 1/2, 3, 3-1/2, 4."
Use for thicker books up to 4".
Base SKU:mmd9122

Multi-Depth Mailer. 12 x 18" (inside).
Variable Depths 1/2", 1", 1-1/2", 2".
Use for larger, thicker books up to 2".
Base SKU:mmd1218

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