Plastic straws can’t go in your curbside recycling bin, so if you have a stash of them, your realistic options are to use them up, repurpose them for household tasks, or replace them with a reusable alternative going forward. No major curbside recycling program in the United States currently accepts plastic straws, and tossing them in the recycling bin actually does more harm than good.
Why Plastic Straws Can’t Be Recycled Curbside
Plastic straws are made from polypropylene, labeled as #5 plastic. While polypropylene itself is technically recyclable, straws are too small and lightweight for the sorting equipment at recycling facilities. They slip through screens, jam machinery, and end up contaminating batches of other recyclable materials. That contamination costs cities millions of dollars a year to deal with.
Even recyclers that accept #5 polypropylene containers (like yogurt tubs) won’t take straws. The shape and size are the problem, not the material. If you drop straws into your recycling bin hoping for the best, they’ll likely end up in a landfill anyway, after creating sorting headaches along the way.
Specialized Recycling Options
A few companies offer paid mail-in recycling for hard-to-recycle plastics. TerraCycle, for example, sells “Zero Waste Boxes” where you can send in small plastic items that curbside programs reject. These services aren’t free, and the cost may not make sense for a handful of straws. But if you’re clearing out a large quantity or want to bundle straws with other non-recyclable plastics, it’s one of the few legitimate recycling paths available.
Practical Ways to Reuse Plastic Straws
If you already have plastic straws at home, the most straightforward approach is to get use out of them before they hit the trash. A few ideas that actually work:
- Seal partial bags of spices or seeds. Cut a straw lengthwise, slide it over the open edge of a small bag, and it acts as a simple clip.
- Organize small cords and cables. Slit a straw open and wrap it around tangled charger cables to keep them separated in a drawer.
- Protect jewelry during travel. Thread necklace chains through a straw to prevent tangling.
- Use them for kids’ craft projects. Straws work well for building frames, making bubble wands, or weaving projects.
- Keep flower stems supported. Slide a drooping stem into a straw to prop it upright in a vase.
These aren’t permanent solutions, but they extend the life of straws you already own instead of sending them straight to a landfill.
The Microplastic Problem With Continued Use
If you’re reusing plastic straws for drinking, there’s a tradeoff worth knowing about. Polypropylene straws release tiny plastic particles into your beverage, and most of that shedding happens fast. Research published in MDPI found that a single polypropylene straw releases roughly 26 to 28 microplastic particles per use, with about 70 to 85% of those particles breaking loose in the first five minutes.
The shedding happens because of how straws are manufactured. High-speed cutting leaves tiny burrs at the edges, and polypropylene is flexible enough that normal use, like biting or bending, causes further wear. Acidic drinks like cola don’t dramatically increase the particle count, but they do roughen the straw’s surface and produce slightly smaller fragments. Hot beverages accelerate surface breakdown, creating more particles overall. The long-term health effects of ingesting microplastics are still being studied, but reducing unnecessary exposure is a reasonable step.
How Plastic Straws Compare to Alternatives
Switching away from plastic straws sounds simple, but the alternatives each come with tradeoffs. A life cycle assessment published in Science of the Total Environment found that polypropylene straws actually have a lower overall environmental footprint than both paper and plant-based compostable (PLA) straws when you account for manufacturing energy, raw materials, and disposal. Paper straws require more resources to produce, and PLA straws have roughly 2.5 times the environmental impact score of polypropylene across their full life cycle.
Where the equation flips is ocean pollution. Research from Woods Hole Oceanographic Institution found that paper straws disintegrate in coastal ocean water within about 10 months, and newer biodegradable materials made from PHA break down in around 15 months. Polypropylene and PLA straws showed no measurable degradation at all during the study period, meaning they persist in the ocean for years, fragmenting into smaller and smaller pieces but never truly disappearing. PLA straws, often marketed as “compostable,” are much more resistant to breakdown in ocean water than in an industrial composting facility.
For most people, the best swap depends on how the straw will be disposed of. If it’s going in the trash and heading to a landfill, the environmental differences between materials are modest. If there’s any chance it ends up in waterways, paper or PHA-based straws cause far less lasting damage. Reusable stainless steel or silicone straws sidestep the whole question, since one straw replaces hundreds of disposable ones.
What Straw Bans Have Actually Accomplished
Since around 2018, cities and countries have introduced bans or restrictions on single-use plastic straws. The results are mixed. Hong Kong’s annual plastic straw usage dropped by 700 million straws after restrictions began in 2017, a 40% decrease. But the city’s overall plastic waste actually increased by 10% between 2017 and 2018, suggesting that straws are a small slice of a much larger plastic problem.
That pattern holds broadly. Straws make up a visible but relatively small fraction of total plastic waste. Bans succeed at reducing one specific item, but they don’t automatically change the larger habits driving plastic consumption. The value of straw bans may be more cultural than mathematical: they normalize the idea of refusing single-use plastic, which can shift behavior over time toward bigger changes.
The Simplest Path Forward
If you have plastic straws sitting in a drawer, use them up or repurpose them rather than throwing them away prematurely. Don’t put them in your recycling bin. When you run out, switching to a reusable straw made from stainless steel, glass, or silicone eliminates the waste question entirely. They cost a few dollars, last for years, and most come with a small cleaning brush. For situations where you need disposable straws (parties, kids’ lunch boxes), paper straws are the least harmful option if any end up as litter, even though they’re not perfect from a manufacturing standpoint.