I've been researching Nanoplastics and decieded to give glass and stainless steel a try. I purchased a Classic Flip Seal Sport Cap. The cap requires getting used to because the metal straw and the need for suction therefore it's hard to place the cap/straw somewhere sanitary and I prefer just drinking straight from the bottle. I guess it really was just designed for on the go. I decided to spend $30 on a bamboo cap because the cap/straw was made of plastic. I wondered why the water had a metallic taste. I wiped the threads with a tissue and found stainless steel residue. Ingesting trace amounts of stainless steel—specifically the iron and chromium it contains—is generally considered harmless and can even be beneficial for many people. However, I prefer my water to taste pure and get iron and chromium through food. Using the original cap reminds of some scientist pulling uranium from a lab. The bamboo cap reminds me of a grenade being pulled. Overall, I don't know what to think, but I do know that my old plastic bottle does get black mold and is a pain to clean when I use it for sweet drinks. I have yet to use sugared bevs in the Classic but looks easy to clean. Moving forward I would wipe the threads before drinking and minimize twisting the cap. Overall, very expensive and hard to use but easy to clean and the metal residue is a major concern.

Great

Excellent customer service.

This cup has been a great change from our plastic cups since it helps to keep the liquid colder longer. The top lid is so helpful to prevent spills, since my kids spill at almost every meal. It's also great to use on the go. Highly recommended.

Great customer service, always willing to answer any questions. Thank you Klean Kanteen

amazing product

This bottle is the perfect size for me. It's not too heavy or bulky, but big enough that I only have to refill it once or twice during the day while I'm out and about. I got two different colors and I'm so glad I did!

Love love love it! Although this design is intended for winter, with the sage and peach colors it is so pretty I will use it year round. It keeps my coffee piping hot to the last sip. I really like the tan lid, easier to see it is sparkling clean than the black lids. I have been a KK enthusiast for at least 12 years. The customer service is superb, always friendly and super helpful even when USPS lost my package which was no fault of KK.

Great turn around time from when ordered and received even with personalizion.

great and fast shipping

very easy to work with!

I received wonderful customer service - above and beyond! This is a top notch company with high quality products. I can't say enough good things about Klean Kanteen. Outstanding!!!

Love the Mossy Oak design and the cafe cap (no straw for me!!).

Order fulfillment is a little slow but product quality is great.

Love Klean Kanteen

Love the products, love the non toxic focus, love the quality and that I expect them to last for years. Worth the money.

Great company. No issues

The best water bottle company out there.

Shipping was a little slow. Overall great experience

Great