10.5x16 vs 8.5x14.5 Poly Mailers

Not sure which to pick? Use the Packaging Tools to get a recommendation.

Choose 10.5x16 when your item fits the 10.5x16 footprint. Choose 8.5x14.5 when your item needs more room in the 8.5x14.5 footprint.

10.5x16 options

• 10.5x16 Bubble Lined Poly Mailers - Tear-Proof Self-Seal, Case of 100
  $42.67In stock
• 10.5x16" Kraft Self-Seal Padded Mailers #5 - Puncture Resistant, Case/100
  $76.25In stock
• 10.5x16 Kraft Self-Seal Padded Mailers #5 - Puncture Resistant, 25 Pack
  $29.28In stock
• 10.5x16 White Padded Mailers #5 Self-Seal - Puncture Resistant, 25 Pack
  $23.48In stock
• 10.5x16" Fiber Padded Self-Seal Mailers #5 White - 100 Pack
  $75.70In stock
• 16x10.5 Nylon Reinforced Mailers #5 - Tear Resistant, Case of 500
  $290.23In stock

8.5x14.5 options

• 8.5x14.5" Bubble Lined Poly Mailers - Self-Seal White Envelopes, Case of 100
  $38.64In stock
• 14.5 x 8.5 Kraft Self-Seal Padded Mailers #3 - Puncture Resistant, Case of 100
  $59.78In stock
• 8.5x14.5" Bubble Lined Poly Mailers 3/16" Cushioning - 25 Pack
  $16.40In stock
• 8.5x14.5" Kraft Self-Seal Padded Mailers #3 - Puncture Resistant, 25 Pack
  $19.33In stock
• 8.5x14.5 #3 White Self-Seal Padded Mailers - Puncture Resistant, 25 Pack
  $19.61In stock
• 8.5 x 14.5" #3 Nylon Reinforced Mailers - Tear Resistant, Case of 500
  $222.28In stock

When to use

• Deciding between 10.5x16 and 8.5x14.5 for a new SKU or packaging refresh.
• Cost, protection, and throughput tradeoffs.

When not to use

• Edge cases where neither option fits — check the related guides.

Frequently asked