anyone found a way to make these more airtight? Adding some plastic wrap as you replace the lid?
1843171
I have a number of these in different sizes. The ones I have are absolutely air tight. The ridges of the molded silicon gasket surrounding the top of the jar provide the flexibility to form a seal with the inner rim of the lid. There should be no need to add anything.
1020480
You need special containers unless you want to seal the jar in an air tight plastic bag but I would not because after time, these bags leak air.
1712065
Yes I can remove the lid, if I pull on it even a little, after the middle button is pushed down. I was able to do this pretty much immediately, so it's not that the product is old or faulty. They don't seal 100%. They close pretty well but they are not airtight at all. I live in Hawaii, and was concerned about bugs and humidity. The good part is that bugs (esp ants) haven't gotten in yet, after two years. But the bad part is that the humidity has gotten in. So most of the stuff I keep is in a plastic bag inside of the container. Pretty lame, considering the price, but they stack well and aren't ugly.
365086
yes，but I suggest you'd better seal the holes on the lid first, using tapes or something else.
522680
i use saran wrap or zip lock bags, the saran wrap did better. the shelf life can be fairly short i have found (some of them dried up after 3 months.)
1066406
You are correct, I have the same problem. It would seem that the lids don't exactly fit the bottom, as it's difficult to line them up to snap it down.
137843
I use these mostly for my husbands lunches for things like pork and beans, pudding, olives, etc. However I just went and took one, filled it with water and put it on it's side and nothing came out so I shook it a bit and still nothing. When I press on the sides of the container the top bows up so even the air is staying in. I think they are mostly air tight and so far, I've never had one leak in my husbands lunch before. One caveat, these are plastic so if a lid or container is ever so slightly warped, it could possibly leak I suppose. Hope that helps you. I love these for lunches and portion control and I've bought them more than once. I use these mostly for my husbands lunches for things like pork and beans, pudding, olives, etc. However I just went and took one, filled it with water and put it on it's side and nothing came out so I shook it a bit and still nothing. When I press on the sides of the container the top bows up so even the air is staying in. I think they are mostly air tight and so far, I've never had one leak in my husbands lunch before. One caveat, these are plastic so if a lid or container is ever so slightly warped, it could possibly leak I suppose. Hope that helps you. I love these for... » Read More I use these mostly for my husbands lunches for things like pork and beans, pudding, olives, etc. However I just went and took one, filled it with water and put it on it's side and nothing came out so I shook it a bit and still nothing. When I press on the sides of the container the top bows up so even the air is staying in. I think they are mostly air tight and so far, I've never had one leak in my husbands lunch before. One caveat, these are plastic so if a lid or container is ever so slightly warped, it could possibly leak I suppose. Hope that helps you. I love these for lunches and portion control and I've bought them more than once. « Show Less
562902
I keep them in an airtight container - a jar or plastic lidded container works well.
1751461
The lids do not "snap" closed. The Food Saver machine will suck the air out of the unit and seal it tight. Use the "Accessories" setting on the Food Saver.
691702
i own this, with a properly placed seal it should be airtight. the seals remove for cleaning. if you do not install them correctly then it will not be air tight. they are pretty easy to install. i am happy for the price i paid. tupperware made nice canisters but they will cost you twice as much and they are not clear.
80812
The lid that comes with it is not air tight. I found a plastic lid that fits it, cut a slot in it, and use it for a place to throw my spare change.
1012013
Dear "The Old Lady" Hopefully I can Help.I am old too. Have used cheaper brands and have not had thesefor very long. Remember always loosen lids or use damp paper towels on top And do not over heat.They should last for quite awhile. If bubbled or hard to clean, start a new one, for safety safe.
1520453
No, mine haven't and I've had them for months. The only thing I have noticed is if knock them off a shelf sometimes the lid will loosen and drip a bit. Either tightening them more in the first place or doing it after knocking them over should resolve that though.
925276
Sometimes the seal can be a bit loose. Once it came off and stuck to the plastic lid. Have you looked inside to check?
432297
It's best to seal them in an airtight plastic bag. I also add silicon packs to the box. So far, everything has remained dry and it's been over a year.
2096260
I have never put food in them so I can't answer that. Airtight, perhaps, but not watertight, I am sure. it is plastic to plastic base to lid.
2128949
I didn't have any problem with the lids not staying on. I ran my finger and thumb around the lid's edge and onto the container and it snapped into place. Hope that's helpful.