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.

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".

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Description:	Multi-Depth Mailer 6-5/8 x 9-5/8" inside dimensions Variable Depths at 1/2, 1, 1-1/2, 2, 2-1/2". Use for mailing thicker or multiples of similar-sized items. Made from 200-lb-test corrugated cardboard.
Base SKU:	mmd692
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Multi-Depth Mailer. 9-1/8 x 12-1/8" (inside).
Variable Depths 1/2 & 1".

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Description:	Multi-Depth Mailer 9-1/8 x 12-1/8" inside dimensions Variable Depths at 1/2" & 1". Made from 200-lb-test Natural Kraft corrugated cardboard.
Base SKU:	mmd9121
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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".

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Description:	Multi-Depth Mailer 6-5/8 x 9-5/8" inside dimensions Variable Depths at 2, 2-1/2, 3, 3-1/2". Use for mailing thicker books or multiples of similar-sized items. Made from 200-lb-test corrugated cardboard.
Base SKU:	mmd693
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Multi-Depth Mailer 8-5/8 x 11" (inside).
Variable Depths 1/2" & 1".

Variable-Depth Corrugated Mailer 8-1/2 x 11"

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Description:	ON SALE 20% OFF Multi-Depth Mailer 8-5/8 x 11-1/8" inside dimensions Variable Depths at 1/2" & 1" Made from 200-lb-test corrugated cardboard.
Base SKU:	mmd8112
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Multi-Depth Mailer 8-5/8 x 11" (inside).
Variable Depths 1/2", 1", 1-1/2", 2".

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Description:	Multi-Depth Mailer 8-5/8 x 11-1/8" inside dimensions Variable Depths at 1/2", 1", 1-1/2" & 2". Made from 200-lb-test corrugated cardboard.
Base SKU:	mmd811
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Multi-Depth Mailer. 9-1/8 x 12-1/8" (inside).
Variable Depths 1/2", 1", 1-1/2", 2".

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Description:	Multi-Depth Mailer 9-1/8 x 12-1/8" inside dimensions Variable Depths at 1/2", 1", 1-1/2" & 2". Made from 200-lb-test corrugated cardboard.
Base SKU:	mmd912
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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".

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Description:	Multi-Depth Mailer 9-1/8 x 12-1/8" inside dimensions Variable Depths at 1/2", 3", 3-1/2", 4." Use for mailing thicker books or multiples of similar-sized items. Made from 200-lb-test corrugated cardboard.
Base SKU:	mmd9122
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Multi-Depth Mailer. 12 x 18" (inside).
Variable Depths 1/2", 1", 1-1/2", 2".
Use for larger, thicker books up to 2".

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Description:	Multi-Depth Mailer 12 x 18" inside dimensions. Variable Depths at 1/2", 1", 1-1/2" and 2". Use for mailing larger / thicker books or multiples of similar-sized items. Made from 200-lb-test corrugated cardboard.
Base SKU:	mmd1218
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