Janeway Posted March 9, 2017 Share Posted March 9, 2017 I just realized today that our high back booster was made in 2010. It is an Evenflo Big Kid seat. I think I gather from online that it expires in 6 years. How can a seat with no harness expire? Is this actually expired? There is no expiration date on the seat, just manufacture. Does it sound like I need to toss this out? Quote Link to comment Share on other sites More sharing options...
ksr5377 Posted March 9, 2017 Share Posted March 9, 2017 My understanding is the problem is the plastic they are made from. As plastic ages it becomes more brittle, especially if it is exposed to extreme temperatures like those that happen in a car. 5 Quote Link to comment Share on other sites More sharing options...
EmseB Posted March 9, 2017 Share Posted March 9, 2017 The plastic heats up and cools down in extreme temps cars can reach. It causes it to degrade over time and that's why they put expiration dates on them. My personal opinion is that they are belt positioners and it's not the same as crash protection in a car seat where the frame is more important. But I'm not giving any advice whatsoever. 1 Quote Link to comment Share on other sites More sharing options...
carriede Posted March 9, 2017 Share Posted March 9, 2017 Usually the manual says it's good for x years from date of manufacture. I'd look it up. Most manuals are available online if you don't still have yours. Quote Link to comment Share on other sites More sharing options...
wintermom Posted March 9, 2017 Share Posted March 9, 2017 (edited) As well as the heat/cold extremes, the padding in those booster seats isn't wonderful and it's not going to last forever, and the poor children sitting in them for hours will be suffering (I sure would be). Edited March 9, 2017 by wintermom Quote Link to comment Share on other sites More sharing options...
TracyP Posted March 9, 2017 Share Posted March 9, 2017 According to this article it takes a minimum of 10 years for the plastic to start to degrade, and temperature extremes do not impact that number. I wouldn't toss it. Quote Link to comment Share on other sites More sharing options...
73349 Posted March 9, 2017 Share Posted March 9, 2017 All car seats expire, yes. Quote Link to comment Share on other sites More sharing options...
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