Keep your water bottles clean with this brush set

boing
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https://cdck-file-uploads-global.s3.dualstack.us-west-2.amazonaws.com/boingboing/original/3X/1/8/1810a564ba8d6110b3829adaacb5027f5b2bf1ab.jpg

Are you quite sure that’s not a toilet brush?

…Also, do you own any products that are not in in the colours of “lime green and white?”