PET BOTTLE HOLDER500~650ml 4IV

I like it because it's easy to use and easy to hold. I also like that it stays cold longer than I expected.

If you put a frozen PET bottle in the morning and go out, it will still be slightly frozen when you get home in the evening. You can drink cold water all the time, and you'll be surprised at the cooling effect!

As it's getting hotter, I take water for heatstroke prevention like Aquarius with me to work, but it's really helpful because I can drink it cold even after a while. I can't put Aquarius directly into a thermos, but I can put in PET bottles from 500ml to 700ml, so it's really helpful!

There's a huge difference between having it and not having it, so I'm really glad I bought it this summer!

If you freeze it about halfway and put it in when it's still crunchy, it stays cold until the evening without melting. The cooling effect was much better than the one I bought at a DIY store before. However, I had to push the square-shaped PET bottle in quite a bit before it would fit in.