8 x 12 Flat Poly Bags (4 Mil) - Heavy-Duty Protection for Your Products
These 8 x 12 inch flat poly bags deliver serious protection with 4 mil thickness — our heavy-duty option for items that need extra care. Made from 100% virgin LDPE, these crystal-clear bags keep your products visible while shielding them from dust, moisture, and handling. Whether you're storing craft supplies, protecting merchandise for shipping, or organizing hardware, these bags get the job done.
Specs: 8 x 12" | 4 mil | LDPE (Low-Density Polyethylene) | 1000/case | FDA food-contact compliant
Key Features
- 4 Mil Heavy-Duty Thickness: Provides puncture resistance and durability for heavier items, sharp edges, or long-term storage needs
- Crystal-Clear Clarity: Virgin LDPE offers excellent transparency so contents are always visible — no guessing what's inside
- FDA Food-Contact Compliant: Made from virgin resin meeting FDA/USDA specifications, safe for food items and direct product contact
- Heat Sealable: Create a secure, tamper-evident closure with any impulse sealer for professional packaging
- Versatile 8x12 Size: Perfect for medium merchandise, documents, craft supplies, and small parts organization
Applications
- Craft & Hobby: Store and protect yarn, fabric, beading supplies, and project materials from dust and moisture
- Small Business Shipping: Add an extra layer of protection inside mailers for jewelry, accessories, and merchandise
- Parts Organization: Keep hardware, fasteners, and small components sorted and protected in workshops
- Document Protection: Store important papers, photos, and prints safe from moisture and handling
Common Questions
Q: What's the difference between 4 mil and thinner poly bags?
A: 4 mil is our heavy-duty option — about twice as thick as standard 2 mil bags. Choose 4 mil when you need extra puncture resistance, are storing items with sharp edges, or want bags that hold up to repeated handling and long-term storage.
Q: Can I use these bags for food items at my farmers market?
A: Yes! These bags are made from 100% virgin LDPE that meets FDA food-contact specifications. They're safe for packaging baked goods, candy, and other food products for sale.
Q: How do I seal these bags?
A: These flat poly bags work great with impulse heat sealers for a professional, tamper-evident closure. You can also fold over the top and secure with tape, staples, or twist ties depending on your needs.
Why Choose Cellobags.com
For over 40 years, we've been helping small businesses, crafters, and entrepreneurs find the right packaging at wholesale prices. Most orders ship within 24 hours so you're never left waiting — because we know your customers are counting on you.