Are Poly Bags Recyclable? A Buyer's Guide

Customers ask about packaging sustainability more than ever. The good news: poly bags made from LDPE and LLDPE are among the most recyclable plastics in use — resin code #4 — and the film recycling stream is well established in the United States.

Polyethylene film — the material in nearly every poly bag — is widely recyclable. It's collected through retail store drop-off programs and commercial film recycling, and it is remade into new bags, liners, and durable plastic products. Unlike multi-material packaging, a single-material poly bag doesn't need to be separated into layers before recycling.

• •LDPE and LLDPE film is resin code #4 — one of the most recycled plastics
• •Clean, dry poly film is accepted at most retail store drop-off programs
• •Recycled film becomes new bags, liners, and durable goods
• •Single-material film is easier to recycle than multi-material packaging

The key requirement is cleanliness: film contaminated with food, labels, or adhesive can't enter the recycling stream. Most commercial operations collect their clean scrap film and sell it back into the recycling market — a practice worth asking your own customers about.

If sustainability is part of your packaging decisions, a few specification choices make a real difference:

• •Choose single-material polyethylene film over mixed-material packaging
• •Minimize unnecessary thickness — right-size the bag to the product
• •Downgauge with stronger resins — LLDPE can replace heavier LDPE
• •Ask about recycled-content film for non-food applications

Right-sizing is often the single biggest win — a bag sized to the product uses less resin, costs less, and generates less material at end of life. California's own packaging labeling rules also require accuracy about recyclability claims, so keep environmental statements specific and verifiable.

California Plastix manufactures poly bags and film in recyclable LDPE, LLDPE, and MDPE, and can right-size your packaging to reduce resin use. Explore our poly bags and poly films or tell us about your application and sustainability goals.