onegreenbottle BOTL Classic collection sports cap. Straw cap with spout. 100% leakproof guarantee, BPS/BPA Free

We bought this to fit our Kleen Kanteen, although it obviously fits One Green Bottles. Goes in my kids school bag day in day out and does not leak. We wash it in the dishwasher every evening. No problems at all. Much better design than previous versions which had a loop which got in the way of your nose. These ones are much better.

Excellent. Bought as replacement for my leaking clean kanteen one. Very happy to send 4 year old off to school knowing it hasn't let a drop out since we got it.

It just works. Easy to drink from. Doesn’t leak, even when my toddler is throwing the bottle around. Can dishwash. And fits Kleen kanteen bottles

Leakproof and works with Kleen kanteen bottle that I already had. I would recommend getting a small tool to clean through the silicone straw though if you are using it on a daily basis but it can be used without the straw. Would be 5* if provided something to clean the straw.

Bought these as know they fit Klean Kanteen bottles as well as one green bottles. Work really well, don't leak, look fab and keeps the contents just as cold as the bottle lids they originally came with! Just a shame not a full lot of colours as per on their website but great for replacements.

The actual bottle is great but the tops and/or seal seem to be very brittle. 3 and 5 year olds use them for school and regularly return with broken or leaking lids. Really anoying as we bought these to avoid multiple lesser quality bottles being bought and thrown away. We have had to replace the lids sevral times at £7 a time from Amazon. The plastic cracks or seals dont stop water from dribbling out after a while. Wet school books, clothes etc. One green bottle please sort this problem out as this is defeating the point somewhat of your 'Not So Green Bottle'

My son uses a Klean Kanteen for school and the sports cap constantly leaked. We thought we would try this as an alternative and so far we have had no leaks. Fits perfectly on the classic Klean Kanteen.

Initially I was super impressed with this lid. Replaced a Klean Kanteen lid which was always leaking. No leaks and a perfect fit. However it lasted only three months. My son dropped it on an indoor floor at school and completed destroyed it in one drop. Certainly not child proof. And I was astonished at how dramatically it broke. I think there is a design flaw here for it to break so dramatically after a drop.

Alles gut.

Useless as it leaks anytime the bottle is tipped over