{"id":478,"date":"2026-10-08T14:56:19","date_gmt":"2026-10-08T06:56:19","guid":{"rendered":"http:\/\/www.jimhjelmcouture.com\/blog\/?p=478"},"modified":"2026-10-08T14:56:19","modified_gmt":"2026-10-08T06:56:19","slug":"are-there-any-health-risks-associated-with-using-a-tumbler-45e6-332258","status":"publish","type":"post","link":"http:\/\/www.jimhjelmcouture.com\/blog\/2026\/10\/08\/are-there-any-health-risks-associated-with-using-a-tumbler-45e6-332258\/","title":{"rendered":"Are there any health risks associated with using a tumbler?"},"content":{"rendered":"

Hey everyone, let\u2019s cut to the chase: if you\u2019re a tumbler person like I am\u2014sipping iced coffee that\u2019s still frosty at 5pm, or a piping hot soup that doesn\u2019t burn your fingers an hour later\u2014you\u2019ve probably wondered at some point, \u201cIs this thing actually safe?\u201d As someone who\u2019s been in the tumbler and mug game for years, I get it. I hear the same questions every single week from customers, from the person who swears their old tumbler made their water taste metallic to the parent who\u2019s worried about their kid\u2019s sippy tumbler leaching something sketchy. Today, let\u2019s talk real talk: are there actually health risks linked to using a tumbler, or is most of this just internet panic? No jargon, no clickbait, just the straight stuff I\u2019d tell a friend picking out their next go-to cup. Tumbler & Mug<\/a><\/p>\n

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First off, let\u2019s set the stage: tumblers aren\u2019t some new fad. We\u2019ve been selling double-walled, stainless steel and plastic tumblers for years, and I\u2019ve tested every batch (yes, even the random \u201ccan I sip out of this right out of the box?\u201d ones). The big fear everyone brings up is leaching\u2014when chemicals from the cup\u2019s material seep into your drink, right? The two main materials people flip out over are plastic tumblers and stainless steel, so let\u2019s break those down separately, no skipping the messy parts.<\/p>\n

Plastic tumblers are the OG budget option, super light, cheap, and easy to customize. But I get why people side-eye them. The big names here are BPA, phthalates, and sometimes other chemicals that make plastic flexible or shatter-resistant. Wait, what\u2019s the deal with BPA? For anyone who\u2019s forgotten, BPA is a chemical that used to be in hard plastics and epoxy resins, and old studies linked high levels of it to hormone disruption. But here\u2019s the thing: most reputable plastic tumbler brands (and trust me, we only sell BPA-free plastic\u2014none of that junk) use alternatives like BPS or BPF now. But hold on, before you breathe a sigh of relief, some recent smaller studies have looked at these alternatives and found they might have similar hormone-related effects at very high levels. The key word there is \u201chigh levels\u201d\u2014when would that even happen?<\/p>\n

From what I\u2019ve read and what our quality control team drills into me, you\u2019re only looking at possible leaching from plastic tumblers if you\u2019re using them wrong. Like, leaving them in a hot car for days (I\u2019ve seen customers bring in tumblers that\u2019ve been sitting in a parking lot in 90\u00b0F weather for a week\u2014don\u2019t do that), or scratching the inside really bad. Those tiny scratches trap bacteria and can let more chemicals seep out over time. Also, never wash them in a dishwasher on the high-heat setting if it\u2019s a cheap plastic tumbler\u2014high heat speeds up that leaching way more. If you\u2019re using a decent BPA-free plastic tumbler, day-to-day use (soda, iced tea, cold water) is totally fine. The risk only comes from misuse, not normal sipping.<\/p>\n

Now the big one: stainless steel tumblers. Most of our bestsellers are double-walled stainless steel\u2014they keep drinks cold for 24 hours, hot for 12, and you can\u2019t beat that. But people ask all the time: is stainless steel reactive? Wait, reactive metals are ones that leach when they touch acidic stuff, right? Like, if you leave lemon juice in a metal cup for 3 days straight, yeah, you might get a metallic taste. But wait\u2014double-walled stainless steel tumblers have an inner layer that\u2019s usually food-grade 18\/8 or 304 stainless steel, which is specifically designed not to react with most foods and drinks. The older stainless steel mugs people used in the 80s? That\u2019s the key difference. Those were usually plain stainless, no food-grade lining, and they did leach small amounts of iron or chromium into acidic drinks. But food-grade stainless is a whole other ballgame.<\/p>\n

Wait, but what about the lining? A lot of stainless steel tumblers have a plastic or epoxy lining on the inside, right? Oh, that\u2019s another source of leaching fear. The linings are mostly to keep the stainless steel from reacting at all\u2014even if you leave orange juice in there for a few hours. The problem here is if that lining gets damaged. If you drop your tumbler and the inner lining chips or cracks, that\u2019s when you might get small amounts of epoxy or even tiny bits of stainless steel in your drink. Again, that\u2019s misuse, not normal wear and tear if you\u2019re being careful. A good tumbler will last years if you treat it right\u2014no constant dropping, no scraping the inside with metal utensils.<\/p>\n

Another thing people bring up: bacterial growth. Wait, is that a health risk from tumblers themselves, or from how we use them? Let\u2019s be real\u2014any reusable container that holds liquid, especially sugary or creamy drinks, can grow bacteria if you don\u2019t clean it properly. I\u2019ve had customers come back and say their tumbler made them sick, and when I ask how they clean it, they say they just rinse it out with water after use, no soap, and refill it the next day. That\u2019s a surefire way to get mold or bacteria, especially in the tight little lid and straw areas. Most lids have silicone seals that trap gunk, and straws (metal, plastic, silicone) can hide goop if you don\u2019t scrub them. So this isn\u2019t a tumbler design flaw\u2014it\u2019s a user mistake. I always tell customers: wash your tumbler with hot, soapy water every day, take the lid apart completely, scrub the straw, and if it\u2019s dishwasher-safe, put it on the top rack. If you\u2019re lazy like me, get a straw cleaner brush and do a quick scrub every other day. That\u2019s way simpler than dealing with a stomach bug, let\u2019s be honest.<\/p>\n

Wait, what about specific groups? Like kids\u2019 tumblers? That\u2019s a big one for parents, right? We sell a ton of kids\u2019 sippy tumblers, and I get the panic\u2014you don\u2019t want something with chemicals touching your little one\u2019s mouth. The good news is that kids\u2019 tumblers have extra strict testing. All BPA-free plastic ones for kids have to meet FDA guidelines, and stainless steel kids\u2019 tumblers use even thicker food-grade lining, since kids are harder on stuff (dropping them, chewing on the lid, etc.). The only caveat here is cheap, no-name kids\u2019 tumblers you find at dollar stores\u2014those sometimes skip the testing to cut costs. So if you\u2019re buying a reputable brand, that\u2019s not a risk we see.<\/p>\n

Let\u2019s also talk about some of the more out there claims. I\u2019ve seen people say tumblers cause cancer, or heavy metal poisoning. Where is that coming from? The studies that linked heavy metal leaching to tumblers used samples of tumblers that were either untested, damaged, or left in extreme temperatures for months, not what you\u2019d use day to day. The FDA and EFSA (European Food Safety Authority) have done tons of testing on tumbler materials, and they\u2019ve set safe limits for how much of any chemical can leach into food or drinks. For context, the amount of chromium or nickel you might get from a scratched stainless steel tumbler is way less than the amount you\u2019d get from eating a single apple (seriously, apples have trace metals too). So the risk is so low for normal use that it\u2019s basically negligible.<\/p>\n

Wait, but that doesn\u2019t mean there\u2019s zero risk, right? Let\u2019s be honest for a second\u2014nothing in life is 100% risk-free. Tap water has trace chemicals, apples have natural metals, even sunscreen has stuff people worry about. Tumblers are no different. The key is knowing what the actual risks are, and how to avoid them. Let\u2019s recap the real risks, not the panic ones:<\/p>\n

    \n
  1. Misuse of plastic tumblers: Leaving them in extreme heat, scratching the inside, high-heat dishwashing. Fix: Use them for cold drinks, don\u2019t leave them in hot places, hand wash if they\u2019re not dishwasher-safe.<\/li>\n
  2. Damaged stainless steel linings: Cracks from dropping, scratches from metal utensils. Fix: Treat your tumbler gently, don\u2019t scrape the inside, replace it if the lining gets damaged beyond repair (most last 2-5 years with regular use before they need replacing, which is normal).<\/li>\n
  3. Bad cleaning: Trapped bacteria in lids, straws, and seals. Fix: Take apart and wash all parts daily, scrub straws, sanitize once a week with a little vinegar water if you\u2019re extra thorough.<\/li>\n<\/ol>\n

    Now, as a tumbler supplier, what do we do to make sure our products are safe? We don\u2019t cut corners. Every batch of tumblers we get goes through third-party testing for BPA, phthalates, lead, and any other harmful chemicals. We only use food-grade stainless steel for all our metal tumblers, no cheap or untested materials. Our plastic tumblers are all BPA-free and free of other hormone-disrupting chemicals, per FDA standards. We even give customers a little care guide with every order, so they know exactly how to use and clean their tumbler to keep it safe. Because at the end of the day, if our customers are happy and using their tumblers without worry, that\u2019s what matters to me.<\/p>\n

    Wait, let\u2019s address a common counterpoint: what about reusable straws? Oh right, straws are a big part of tumbler use, and people often ask if metal straws are safe. Metal straws are fine, as long as they\u2019re food-grade stainless steel (not that random metal straw you get from a novelty shop that might be untested). The only risk with straws is if they\u2019re not cleaned properly\u2014goop builds up in the crevices, same as lids. Silicone straws are also fine, same cleaning rule applies. Avoid plastic straws if you\u2019re worried about leaching, but if you do use them, make sure they\u2019re BPA-free and not too old or scratched.<\/p>\n

    I also want to mention that a lot of the fear around tumblers comes from misinformation online. A quick TikTok search will show you a hundred videos of someone \u201ctesting\u201d their tumbler by leaving lemon juice in it for a week, then using a chemical test strip that shows \u201chigh\u201d levels of something. But that\u2019s a worst-case scenario\u2014who is leaving lemon juice in their tumbler for a week? No one I know. Those test results don\u2019t reflect normal daily use. It\u2019s like testing a car\u2019s brakes by slamming them at 100mph every day and saying cars are unsafe. It\u2019s not how regular people use the product.<\/p>\n

    So, to wrap this up: are there any health risks associated with using a tumbler? Yes, but they\u2019re almost all avoidable, and way smaller than the risks of using disposable cups (which leach chemicals when heated, by the way, and create tons of waste) or skipping a reusable cup entirely and buying plastic bottles every day. The only real risks come from using low-quality, untested tumblers, misusing them, or not cleaning them properly. Reputable tumblers from a trusted supplier (hello, that\u2019s us) are totally safe for everyday use.<\/p>\n

    <\/p>\n

    Now, if you\u2019re a caf\u00e9 owner, a event planner, or just someone who needs bulk tumblers for your team or store, and you want to make sure you\u2019re getting safe, high-quality tumblers that your customers will love, hit us up to chat. We can hook you up with custom designs, bulk discounts, and all the info you need to make the right choice for your needs. No pressure, just straight talk, like always.<\/p>\n

    Sports Bottle<\/a> References:<\/p>\n

      \n
    1. U.S. Food and Drug Administration. (2023). Food Contact Substances: Polymers.<\/li>\n
    2. European Food Safety Authority. (2022). Opinion on Bisphenol A and Alternatives in Food Contact Materials.<\/li>\n
    3. World Health Organization. (2021). Reusable Food and Drink Containers: Safety Considerations.<\/li>\n
    4. Journal of Exposure Science and Environmental Epidemiology. (2020). Leaching of Chemicals from Reusable Plastic Drinkware under Simulated Extremely High Temperatures.<\/li>\n
    5. International Stainless Steel Forum. (2019). Food Grade Stainless Steel for Food Contact Applications.<\/li>\n<\/ol>\n
      \n

      Jinhua Jinjun E-commerce Co., Ltd.<\/a>
      As one of the most professional tumbler & mug manufacturers and suppliers in China, we have world-leading production equipment and strong manufacturing capabilities. Please feel free to wholesale high quality tumbler & mug from our factory. Also, custom service is available.
      Address: Room 501, Building 1, No. 98 Yongkang Street, Qiubin Subdistrict, Wucheng District, Jinhua City, Zhejiang Province, China
      E-mail: KingJohncupsLimited@outlook.com
      WebSite:       https:\/\/www.kingjohncups.com\/<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

      Hey everyone, let\u2019s cut to the chase: if you\u2019re a tumbler person like I am\u2014sipping iced … Are there any health risks associated with using a tumbler?<\/span>Read more<\/a><\/p>\n","protected":false},"author":191,"featured_media":478,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[441],"class_list":["post-478","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-industry","tag-tumbler-mug-4805-335b2a"],"_links":{"self":[{"href":"http:\/\/www.jimhjelmcouture.com\/blog\/wp-json\/wp\/v2\/posts\/478","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.jimhjelmcouture.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.jimhjelmcouture.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.jimhjelmcouture.com\/blog\/wp-json\/wp\/v2\/users\/191"}],"replies":[{"embeddable":true,"href":"http:\/\/www.jimhjelmcouture.com\/blog\/wp-json\/wp\/v2\/comments?post=478"}],"version-history":[{"count":0,"href":"http:\/\/www.jimhjelmcouture.com\/blog\/wp-json\/wp\/v2\/posts\/478\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/www.jimhjelmcouture.com\/blog\/wp-json\/wp\/v2\/posts\/478"}],"wp:attachment":[{"href":"http:\/\/www.jimhjelmcouture.com\/blog\/wp-json\/wp\/v2\/media?parent=478"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.jimhjelmcouture.com\/blog\/wp-json\/wp\/v2\/categories?post=478"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.jimhjelmcouture.com\/blog\/wp-json\/wp\/v2\/tags?post=478"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}