Uline S-3101 Alternative: 13 x 20 in. 2 Mil Flat Poly Bags
If you buy Uline S-3101 industrial poly bags, our Supply Tie flat poly bags are a comparable option: the same nominal size (13 x 20 in.), the same thickness (2 mil) and the same count (1,000 per carton).
Price comparison
| Bag | Comparable to Uline | Uline public price per carton | Supply Tie price per carton |
|---|---|---|---|
| 13 x 20 in., 2 mil, 1,000 per carton | S-3101 | $118 (1 carton) / $100 (20+ cartons) | Live price below |
Short answer: 13 × 20 in. clear flat poly bags, 2 mil, carton of 1,000 is $116.82 per carton of 1000 ($0.12 per bag). Ships to the lower 48 states.
Prices today
| Product | Pack | Price | Per unit | Stock |
|---|---|---|---|---|
| 13 × 20 in. clear flat poly bags, 2 mil, carton of 1,000 Flat open-top, 2 mil Part # 539 |
carton of 1000 | $116.82 / carton | $0.12 / bag | Available. Most items ship in 1–3 business days; drop-ship items vary. |
Poly bags and film orders ship free within the lower 48 states, with no minimum order.
Prices checked vs Uline's public prices on 11/08/2026. Uline prices are its public list prices on uline.com for the model numbers shown; prices change, so check Uline for its current pricing. Supply Tie prices below are live from the product listing.
What's the same, and what to check
- Same: clear flat (layflat) open-top poly bags with no zipper, 2 mil, 13 x 20 in. nominal size, 1,000 bags per carton.
- Check: if your sealer or packing line depends on an exact inside dimension, ask us for the measured size before you switch.
- Volume: Uline is lower than our carton price from 5 cartons up ($112 at 5, $104 at 10, $100 at 20+). Buying 5 or more cartons? Ask us for a quote.
- Freight: Poly Bags & Film orders ship free within the lower 48 states, with no minimum order.
See every 1 and 2 mil size on our Uline flat poly bag cross reference, shop 13 x 20 in. flat poly bags, or send us any Uline part number and we'll quote a comparable item.
Uline is a trademark of Uline, Inc. Supply Tie is not affiliated with, sponsored by or endorsed by Uline. "Comparable to" means matching nominal size, thickness or gauge, and count or length as stated above.