I bought these bottles in February because I am unable to lift large containers due to a shoulder injury in an accident. My caretaker fills them with my drinks and I can easily get them out of the fridge. They have always been hand washed until yesterday when the whole set was washed in the dishwasher for the first time. When she unloaded them and placed them on the counter we found that 10 bottles could no longer stand upright. They wobble (like the old "pill" toys) and are no longer usable. And yes, they were placed on the top shelf and ran on our normal power saving settings, not the highest temperature. At $1 a bottle I certainly expected more. I re-read the listing and while there is no mention of being dishwasher safe, there is no warning that they are not dishwasher safe either! The return window is closed but I will definitely contact support. Some reviewers note that they haven't had similar issues, but as they say, better safe than sorry.
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