2 Mil vs 4 Mil Poly Bags

Choose 2 mil when you need lighter, lower-cost protection at 2 mil. Choose 4 mil when you need a thicker bag at 4 mil for heavier or sharper contents.

2 Mil options

• 2x2" 2 Mil Reclosable Poly Bags - FDA/USDA Approved, Case of 1000
  $4.55In stock
• 2x3" 2 Mil Reclosable Poly Bags - Full-Width Zipper, Case of 1000
  $6.43In stock
• 2x3" 2 Mil Clear Poly Bags White Block Reclosable - Case 1000
  $6.69In stock
• 3x5 Clear 2 Mil Flat Poly Bags - 1000/Case Bulk Storage
  $6.96In stock
• 3x6 2 Mil Clear Flat Poly Bags - Lightweight Protection, Case of 1000
  $8.11In stock
• 3x3" 2 Mil Clear Reclosable Poly Bags - Full-Width Zipper, Case of 1000
  $8.33In stock

4 Mil options

• 2x3" 4 Mil Reclosable Poly Bags - Moisture-Proof Zipper Seal, 1000/Case
  $10.37In stock
• 3x5 inch 4 Mil Clear Flat Poly Bags - Heavy-Duty Protection, Case of 1000
  $13.23In stock
• 3x3" 4 Mil Reclosable Poly Bags - Moisture-Proof Zipper Closure, Case of 1000
  $13.61In stock
• 3x4" 4 Mil Clear Reclosable Poly Bags - Case of 1000
  $16.04In stock
• 3x5" 4 Mil Clear Reclosable Poly Bags - 1000/Case
  $19.35In stock
• 4 Mil Clear Poly Sheeting 100' x 4' - Moisture Barrier Protection, Case of 1
  $19.45In stock

When to use

• Deciding between 2 Mil and 4 Mil 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.