Klean Kanteen

Recycled Stainless Steel Straw Set

Plasticproof Great $$$Our price tier

Reusable straws in 18/8 stainless steel with removable silicone tips. Klean Kanteen states the steel is certified 90 percent post-consumer recycled.

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18/8 stainless steelInert, uncoated, permanent.
90 percent recycled steelKlean Kanteen’s stated figure.
Comes apart to cleanBrush included with sets.
See exactly how we verify this

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Why it's safe for your family

  • Stainless steel is inert against everything you would drink through it — acidic juice, hot coffee, a smoothie — with no coating and nothing that softens with use.
  • Klean Kanteen states the straws are made from certified 90 percent post-consumer recycled 18/8 stainless steel, which is a specific claim about the material rather than a general recycling gesture.
  • The silicone tips are removable and are there for a practical reason: a bare steel straw against teeth is unpleasant and, for children, genuinely a hazard on a fall.
  • They are dishwasher safe and come apart for a brush, which is the difference between a reusable straw you keep using and one that quietly goes in a drawer.

Is this really plastic-free? Yes — and here’s why

Steel tube, silicone tip. Silicone is not a plastic in the sense that matters here: it is a cured silicon-oxygen elastomer with no plasticizers to migrate, which is why it is the standard material for baby bottle nipples and medical tubing.

18/8 stainless steel90%
Food-grade silicone tips10%

What these are made of: recycled stainless steel and silicone. No plastic, no coating, no lining.

Quick specs

Material
18/8 stainless steel
Recycled content
90 percent post-consumer (Klean Kanteen’s stated figure)
Tips
Removable food-grade silicone
Care
Dishwasher safe; brush included with sets

What to avoid instead

Avoid single-use plastic straws, and be wary of the "compostable" plastic straws that replaced them — most require an industrial composting facility that your city probably does not have. Also worth knowing: paper straws have been found to carry PFAS coatings, so the disposable swap was not the clean answer it looked like.

How we verify — and what we don't

Straight answer: we're a research team, not a testing lab. Here's exactly what our rating is based on — and what it isn't — so you can weigh it honestly.

What we check

  • What the product is made of, from the maker's own specs and product listing.
  • Whether any part that touches you or your food uses PTFE, PFAS, plastic, or a coating that can degrade.
  • Peer-reviewed research on how that material behaves when heated, scratched, washed, or worn.
  • Known failure modes — how the product actually breaks down in a real home.

What we don't do

  • We have not chemically tested this specific unit in a lab.
  • We don't take payment to rate a product higher — there is no sponsored placement.
  • We don't show star ratings or "trusted by thousands" counts we can't stand behind.
What gets a product rejected

Anything that adds a known microplastic, PFAS, or off-gassing source — a non-stick coating, a plastic surface against food or skin, vinyl/PVC — is downgraded or cut. We only list what clears that bar.

Don't take our word for it — check the sources yourself Klean Kanteen's product details

Common questions

Are the silicone tips necessary?
Not for adults, and they pull off if you dislike them. They exist for comfort against teeth and for safety with children, where a rigid metal tube is the obvious objection to a steel straw. Being removable is what makes them cleanable, which matters more than it sounds.
How do you actually clean them?
With the brush that comes with the set, immediately after a thick drink. Dishwasher safe is true and is not sufficient on its own — a smoothie leaves a film inside a narrow tube that only a brush reaches. Pull the tips off for anything heavier than water.
Do they make drinks taste metallic?
18/8 stainless is the same steel used for good cutlery and does not flavor a drink. What people notice is temperature: steel conducts, so a straw in an iced drink gets very cold and in a hot drink gets hot. The silicone tip solves both.
Related reading
Kitchen Plastic Detox Guide

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