10x13 vs 9x12 Poly Mailers

10x13 and 9x12 are close in size, so the right pick comes down to what you ship. The 10x13 gives about 22 sq in more usable face (130 vs 108 sq in), so it suits thicker or bundled items; the 9x12 ships the same item for less postage when it fits. Packrift stocks both: 6 and 5 SKUs are live below.

10x13 vs 9x12 Poly Mailers at a glance

10x13 9x12
Interior size 10x13 in 9x12 in
Best for larger / bundled items snug fit, lowest postage
Mil options in stock 2.5 mil 2.5 mil
Price range $13.42-$22.09 $17.00-$87.76
In-stock SKUs 6 4

10x13 Poly Mailers

SKU Product Dimensions Spec Pack Price Availability
EPM10132 10x13x2 Expansion Poly Mailers 2.5 Mil Self-Seal White - Case of 100 10 x 13 x 2 2.5 mil 100 13.42 In stock
B874100PK 10x13 White Poly Mailers 2.5 Mil Self-Seal Tear Strip - 100 Pack 10 x 13 2.5 mil 100 15.46 In stock
CPM1013BK 10x13 Black Poly Mailers 2.5 Mil Self-Seal - Professional Shipping, Case of 100 10 x 13 2.5 mil 100 22.09 In stock
CPM1013BL 10x13 Blue Poly Mailers Self-Seal 2.5 Mil - Case of 100 10 x 13 2.5 mil 100 22.09 In stock
CPM1013P 10x13 Pink Self-Seal Poly Mailers 2.5 Mil - Puncture Resistant, Case of 100 10 x 13 2.5 mil 100 22.09 In stock
CPM1013R 10x13 Red Poly Mailers 2.5 Mil Self-Seal Waterproof - Case of 100 10 x 13 2.5 mil 100 22.09 In stock

9x12 Poly Mailers

SKU Product Dimensions Spec Pack Price Availability
CV912100PK 9x12" Clear View Poly Mailers, 2.5 Mil Self-Seal, 100/Case 9 x 12 2.5 mil 100 19.72 In stock
B873 9x12 White Poly Mailers with Tear Strip - Self-Seal, 2.5 Mil, 500/Case 9 x 12 2.5 mil 500 41.20 In stock
CV912 9x12" Clear View Poly Mailers, 2.5 Mil Self-Seal, Case of 500 9 x 12 2.5 mil 500 60.43 In stock
B869 9x12" Self-Seal Poly Mailers 2.5 Mil Polyethylene - Case of 1000 9 x 12 2.5 mil 1000 87.76 In stock
B873100PK 9x12" 2.5 Mil Self-Seal Poly Mailers - Puncture Resistant, 100 Pack 9 x 12 2.5 mil 100 17.00 Not listed as in stock

How to choose

  • Measure your item and add room for fold, padding, or label.
  • If both fit, the smaller/thinner option ships cheaper; size or gauge up for thick, heavy, or sharp contents.
  • Use the bulk quote path for recurring or mixed-SKU orders.

FAQ

Should I choose 10x13 or 9x12 Poly Mailers?
Pick the smallest size / lightest gauge your item fits without forcing the seal. Both are stocked above with live pricing.
What should I do when a field is not listed?
Do not infer it. Open the PDP or use the bulk quote path so the order is checked against current catalog data.

Already know the SKU you need? Reorder by SKU.