5x8 Heavy-Duty Flat Poly Bags - 4 Mil Thickness for Maximum Protection
When your items need serious protection, these 4 mil flat poly bags deliver. The extra-thick construction handles hardware, craft supplies, small parts, and anything that needs a tougher barrier. Perfect for organizing your workspace, packaging products for sale, or keeping small items dust-free and protected.
Specs: 5 x 8" | 4 mil | 100% Virgin LDPE | 1000/case | FDA food-contact compliant
Key Features
- 4 Mil Heavy-Duty Thickness: Nearly 3x thicker than standard bags — resists punctures from sharp edges, hardware, and rough items
- Crystal Clear Clarity: Easy to see contents without opening, saving time when sorting through inventory
- 100% Virgin LDPE: Meets FDA/USDA specifications for food contact — safe for candy, baked goods, and food samples
- Lay-Flat Design: Clean, professional presentation with no gussets to complicate storage or labeling
- Heat Sealable: Create a tamper-evident seal with any standard impulse sealer
Applications
- Hardware & Parts: Screws, bolts, nuts, washers, small tools, electrical components — thick walls protect against punctures
- Craft & Jewelry Supplies: Beads, findings, buttons, charms — keep small pieces organized and visible
- Food Packaging: Cookies, candy samples, fudge, brittle — FDA-compliant for farmers market and Etsy sellers
- Shipping Protection: Add an extra moisture barrier inside mailers for small items
- Retail & Inventory: Organize stockroom, sort returned items, bundle accessories
Common Questions
Q: How thick is 4 mil compared to regular poly bags?
A: 4 mil is heavy-duty thickness — about 0.004 inches. Standard poly bags are typically 1-2 mil. These are ideal when you need extra puncture resistance for hardware, sharp items, or anything requiring a tougher barrier.
Q: Can I use these bags for food at my farmers market?
A: Yes! These bags are made from 100% virgin LDPE that meets FDA food-contact requirements. They're great for cookies, candy, baked goods, and food samples.
Q: What's the best way to seal these bags?
A: An impulse heat sealer gives you the cleanest, most professional seal. You can also fold over the top and secure with a sticker or tape for a simpler closure.
Why Choose Cellobags.com
For over 40 years, we've helped small businesses, Etsy sellers, and craft vendors find the right packaging to make their products shine. Most orders ship within 24 hours, so you'll never miss a market day. Questions? Our packaging experts are here to help you find exactly what you need.