30 x 48 Flat Poly Bags (4 Mil) - Heavy-Duty Storage & Shipping Protection
When you need serious protection for large items, these heavy-duty 30 x 48 flat poly bags deliver. At 4 mil thick, they're built to handle the demands of storage, shipping, and protecting valuable equipment. Made from 100% virgin low-density polyethylene (LDPE), these bags provide reliable moisture and dust protection for your biggest packaging challenges.
Specs: 30 x 48" | 4 mil | LDPE Polyethylene | 100/case | FDA food-contact compliant
Key Features
- Heavy 4 Mil Thickness: Extra-thick poly resists punctures and tears during handling, shipping, and long-term storage
- Generous 30 x 48 Size: Large enough to fit bulky items, small furniture pieces, equipment, and oversized merchandise
- 100% Virgin LDPE: Crystal-clear, flexible, and strong — won't crack or become brittle over time
- Moisture & Dust Barrier: Protects contents from humidity, dirt, and environmental damage during storage
- Heat Sealable: Create airtight closures with a heat sealer for maximum protection
Applications
- Small Business Storage: Protect seasonal inventory, display items, and merchandise between shows or markets
- Shipping Protection: Extra layer of protection for large items, framed artwork, or furniture pieces you're shipping to customers
- Equipment Covers: Keep tools, machines, and equipment dust-free in your workshop or studio
- Moving & Relocation: Wrap and protect pillows, bedding, cushions, and soft furnishings during moves
- Craft & Art Storage: Protect large canvas paintings, posters, and oversized prints from moisture damage
Common Questions
Q: How thick is 4 mil and what can these bags handle?
A: At 4 mil (0.004"), these are heavy-duty bags — about twice as thick as standard poly bags. They resist punctures and tears, making them ideal for items with corners, hardware, or anything that needs extra protection during shipping or long-term storage.
Q: Can I use these bags for storing food items?
A: Yes! These bags are made from FDA food-contact compliant virgin LDPE resin, so they're safe for food storage. They're great for protecting large quantities of dry goods or bulk food items.
Q: What's the best way to seal these bags?
A: For the most secure seal, use a heat sealer — these bags seal beautifully and create an airtight closure. You can also fold and tape, or use twist ties or zip ties for quick access applications.
Why Choose Cellobags.com
For over 40 years, we've helped small businesses find the right packaging solutions. Whether you're shipping handmade furniture, storing seasonal inventory, or protecting equipment in your studio, we're here to help. Most orders ship within 24 hours so you get what you need, when you need it.
