Replacement Lid for Hydro Flask Standard Mouth 12, 18, 21, 24 oz Water Bottles, Accessories for Hydro Flask and Most Sports Water Bottles, Leakproof, BPA-Free

Fits any standard-size hydroflask waterbottle. I'm sure it would also fit other metal bottles, but I only happen to have Hydroflasks. Sometimes the inner silicone ring of the cover does get moldy, so these make for good replacements. Functions as normal--no leaks thus far. Looks just like the original. Just clean as you would any other cover, or just get new ones.

There's not much to say about these -- they're lids after all. However, I just wanted to counter other people's experience with these in regards to the 64oz growler. Not sure if other people got a back batch, poor mold injection or whatever -- or maybe I got lucky. These DID fit both of my 64oz hydro flask growlers and they come with the gasket so there was absolutely no leakage. And I did try pretty hard to get them to leak, I.e. shake the hell out of the growlers and left them upside down over night with liquid inside -- not a drop expelled. They look just like the original ones. So annoying that hydro flask doesn't sell these anymore, what a wasted opportunity for there's clearly a market. Please note also, if these don't work for you, I used the wide mouth lid off of my old nalgene 32oz bottles, and that worked as well. I like these more just because they are a bit more beefy for dangling off the ring.

This company was nice enough to send me a whole other set of lids but one by one the same issue happened. There is a little teeny tinty rubber stopper, and it comes out and you're lucky if you notice because it's so small. I don't have any idea what it's purpose is, but once it's gone, there's no suction and you can't get anything out of the straw anymore. So all 4 straw lids I have received have failed. While I appreciate the company sending me replacements, they don't actually manufacture the lids and so there's nothing they can do. They claim they haven't had complaints about it but I see people here have complained. It certainly can't be bad luck that all four of my straw lids I got from them have broken. The other lids work fine but I bought this for the straw lid in particular.

Perfect fit.

Works great most of the time, but once in a while it gets cross threaded and difficult to remove. I still recommend it for the price.

Let me preface this by saying, I do not own a hydro flask bottle. So, I can not tell you if it works for that. However, I can tell you that it does not work well with a metal cirkul bottle. I had read that hydro flask lids worked with the cirkul and was wanting an option to use my bottle without a cartridge. The only way the lid will work with a cirkul is if you are willing to cut off the loop/handle, otherwise the lid will not screw down tight enough not to leak. Not pretty, but gets the job done. I had a horrible time cutting it off, so good quality there. 😅 I can not fault the product since I did not use it for its intended purpose, so I gave 5 stars.

I love my sippy water bottle but my sport lid was breaking so I ordered this set. The clear spout one is good, can drink without the straw, the black spout one barely lets any water through, maybe it’s a fluke, but I will keep this just for the rubber bottom thing and the clear spout sport cap. Then randomly the clear spout sport caps handle cracked and is broken, so I’ll be duct taping that and carrying on, put intended lol…………..

2021 update. I got a third one for my new Kleen Kanteen insulated bottle. The new cap hasa stellar finish on the bamboo and is well sanded, so these are even better now. They should not be used to cap boiling hot water but hotter-than-you-can-comfortably-chug is fine. Do not dishwash or immerse. 2020 update: After two years of daily use still great for my Kleen Kanteens. 2018 original review. Perfect for the cost and my function. The finish on the bamboo could be a bit better; it's a tiny bit rough around the edges. I am using these on Kleen Kanteen classic bottles. These are 100% leakproof on those bottles. As far as the 0-ring seal, they seem better designed than the Kleen Kanteen originals Time to pull out the sandpaper and butcher block oil. You must oil the bamboo occasionally, or it will disintegrate like most wood products around water. You can use just a mineral oil, or use butcher block oil, or at a pinch even just rubbing in some coconut oil will have some benefits. Please remember that this product is not designed or advertised as dishwasher-safe.