Leakproof water bottles for 5 year old

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Give me your best leakproof bottles; need something that’s less than half a litre and not totally massive but most of all doesn’t leak!

The Klean Kanteens have been going strong for 6 years now. Only the black screw tops are totally leakproof. (Though I have only had the odd leak from the green sport tops). The painted ones chip, I think the plain stainless ones look best in the end.

We've got some from One Green bottle with their quench cap. Work really well, 5yo can flip the lid open herself - and no leaks yet! They're usually cheaper on Amazon than direct from the website.

Never had a leak with Sistema

My kids use camelbak bottles . Not leaked yet .

SIGG bottles are very good.

I swear by the ion8 ones because they are leakproof and don't have a plastic straw so it can all go in the dishwasher if needed.

Ion8 Leak Proof Kids' Water Bottle, BPA Free, 350 ml https://www.amazon.co.uk/dp/B074W4BDG4/ref=cmswwrcppapiii_NeqkFb1A4GDYB

Sistema

Systems twist caps. Just teach them to screw the cap back down properly.