3 Mil Flat Poly Bags
- 52 sizes in stock
- Widths 2" – 38"
- Lengths 3" – 64"
- 3 Mil
- 100 – 10,000 per case
- From $17.53/case
- Ships same day before 1 PM PT
3 MIL FLAT POLY BAGS
Which thickness do you need?
| Thickness | Weight | Best for | In stock |
|---|---|---|---|
| 1 Mil Flat Poly BagsEconomy lightweight | Economy lightweight | Light items such as apparel, paper goods and bakery products | 15 sizes |
| 1.25 Mil Flat Poly BagLightweight | Lightweight | Light items that need a little more puncture resistance | 19 sizes |
| 1.5 Mil Flat Poly BagsEconomy weight | Economy weight | Light to medium items like parts, linens and food | 134 sizes |
| 2 Mil Flat Poly BagsStandard weight | Standard weight | Everyday packaging of parts, apparel and food | 120 sizes |
| 3 Mil Flat Poly BagsMedium weight | Medium weight | Heavier parts, hardware and items with corners | 52 sizes |
| 4 Mil Flat Poly BagsHeavyweight | Heavyweight | Heavy or sharp-edged items such as tools and industrial parts | 113 sizes |
| 6 Mil Flat Poly BagsExtra heavyweight | Extra heavyweight | The heaviest, most puncture-prone loads | 21 sizes |
3 Mil Flat Poly Bags: frequently asked questions
What sizes do 3 mil flat poly bags come in?
We stock 52 sizes, in widths from 2" to 38" and lengths from 3" to 64". Every size and its case price is listed above. Need a size we don't stock? Send us a Custom Quote Request.
Is 3 mil the right thickness?
3 Mil is medium weight, made for heavier parts, hardware and items with corners. Mil measures film thickness: 1 mil is one-thousandth of an inch (0.001"). Compare all thicknesses in the table above, or read our guide, What is a Mil?
How are they sold, and is there a minimum order?
By the case, with 100 to 10,000 per case depending on size. There's no minimum order, and the more you order, the lower the price per case; each product page shows its volume price breaks.
When will my order ship?
Orders placed before 1 PM Pacific on business days ship the same day from our California warehouse, and delivery usually takes 2–5 business days. Orders of $1,500 or more ship free to commercial addresses. We don't ship to Alaska, Hawaii or Puerto Rico.
Can I get a sample before ordering?
Yes. Samples are free; you only pay a $6.99 shipping fee. Click Want a Sample? on the product page of the size you want.
Do you make custom sizes, colors or printed bags?
Yes. Besides our stock 3 mil flat poly bags, we make custom sizes, thicknesses and colors, and can print your logo or brand on the bags. Send us your specs with a Custom Quote Request.
3 Mil Flat Poly Bags: Heavier Loads, Still Clear
3 mil (.003") is the bridge between everyday and heavy-duty packaging. It is 50% thicker than 2 mil, so these heavy-duty plastic bags handle heavier contents, rougher handling and longer storage without stepping all the way up to a 4 mil bag. The high-clarity film keeps contents easy to see and inspect, which suits both retail display and back-of-house packing for wholesale buyers.
Typical 3 mil applications
- Bulk food storage: meat, produce, frozen goods and dry ingredients
- Heavy bakery items such as full bread loaves
- Industrial hardware, parts and tools
- Heavier clothing, textiles and retail items
Construction and food safety
Each bag is made from 100% virgin LDPE in seamless tubing, with no weak side seals or slits, so it resists tears and puncture. The film is food-safe and meets FDA and USDA requirements for direct food contact, fully recyclable, and made to strict ASTM quality standards. A heat sealer gives an airtight closure; bag tape or twist ties work for everyday use.
How it compares
- 2 Mil costs less and is enough for most medium-weight products. If 2 mil poly bags are stretching or puncturing, 3 mil is the fix.
- 4 Mil is the next step for very heavy, bulky or sharp-edged items, and for warehouse storage and shipping.
Buying tips
Sizes start at 2" x 3" for small parts, and the case quantity is shown in each product title. If you need custom lengths at this gauge, see 3 Mil Poly Tubing. Custom sizes and printed bags are available through our Custom Quote page.