8.5x14.5 vs 8.5x12 Poly Mailers

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

Choose 8.5x14.5 when your item fits the 8.5x14.5 footprint. Choose 8.5x12 when your item needs more room in the 8.5x12 footprint.

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

8.5x12 options

• 12x8.5" Bubble Lined Poly Mailers 3/16" Cushioning - 25 Pack
  $15.04In stock
• 8.5x12" Bubble Lined Poly Mailers - Tear Proof Self Seal, Case of 100
  $30.77In stock
• 12 x 8.5" Kraft Self-Seal Padded Mailers #2 - Puncture Resistant, Case/100
  $50.58In stock
• 12 x 8.5" Kraft Self-Seal Padded Mailers #2 - Puncture Resistant, 25 Pack
  $28.26In stock
• 8.5x12 White Fiber Padded Self-Seal Mailers - Professional Protection, Case of 100
  $53.11In stock
• 8.5x12 Fiber Padded Self-Seal Mailers - White, 25 Pack
  $17.04In stock

When to use

• Deciding between 8.5x14.5 and 8.5x12 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