Amazon.sg:Customer reviews: Silicone Stretch Lids (6 Pack, All Small Lids), Reusable, Durable, Expandable. Great for Keeping Food and Drinks Fresh, Dishwasher and Freezer Safe (2.8 In. in Diameter - Seals up to 4 Inch Container)
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This looked like a fantastic product. I assumed the bad reviews were from people trying to use them with wet fingers, or pulling too hard on them. They work just fine on round cans, but all fingers and the outside and lip of the can must be completely dry, otherwise they just don’t stick to the metal, and are impossible to hold onto and stretch properly. So I got everything dry and they went on the large-sized can perfectly and stayed in place. So far, so good. Problem is, I rinsed the one I used off after the food in the can was used up. I let it air dry. Next time I used a cover, even though I was careful with handling, the instant I pulled it over the tops, there developed several pinholes that immediately stretched into gaping holes, making the lid unusable for a second use. So this comes out to almost $2.00 per can of dog food I want to cover. Not a good deal at all. Very disappointing.
Great idea and I want to love them but just don't work so great for anything that may be at all damp or oily. I got these to use on dog food cans. Worked perfectly the first day i would put one on a can but after the can had been in the frig and i would take it out to feed the dog then try to put one of these lids back on it would just slip and pop off. The same thing happened with a few other things we used them for in the frig. A few of the tabs ended up ripping off while trying to get the lid to stay put. I think these would work great for things that didn't need to be refrigerated.
I was really hopeful that this would be the solution for some small 3.5" bowls I use for storing leftovers and other things in the fridge. Unfortunately, the covers slip off; even after I've been able to get them on the bowls, they slip off during storage. I thought I had found a solution by putting the cover on upside down, which seemed to work at first, but won't maintain a grip. I know it says the container and lid must be dry, but if I take a bowl out of the fridge, condensation forms and I can't put the lid back on. I'm disappointed that these are not the solution I was hoping for in order to eliminate the need for plastic wrap to cover the small bowls.
Bought primarily for covering cat food cans, they do not fit any of the cat food cans I bought - not the itty bitty cans, not the wider flat cans, not the tall soup style cans. Overall, their construction seems good, the material is stretchy and thick enough to feel solid, but they were completely useless for my purposes.
At 2.8" I figured these would be close to the same size as the smallest lid in the Kuuk set, which is 3". Not even close, how they got one around the pineapple without mushing it is beyond me. I don't know how the one reviewer got one on a can of chunky soup, unless my lids shrunk during shipping. I will probably return these.
April 17 UPDATE: all of these lids has now split. not even kidding. the last of which was in the fridge overnight on a can of dog food, untouched. when i went to take it out the next morning, the thing had split of it's own accord. there have to be better options, since these generally worked fine until moisture from fridge condensate or warmth from having heated the container before installing the lid, who knows really what caused the splitting. if i myself am not literally putting my fingers through it, they shouldn't weaken to the point that the top tears like paper. and to be honest, the rim was still in tact and i could have used it to hold foil in place. but kind of not the point if the thing only can be used 10x before failing. i truly cannot recommend these to anyone now. March 2017: at first use -- it took some finessing to use at first but now i have it down. had trouble securing to wet or warm (out of microwave) glass containers (from Crate & Barrel and whose lids warped after washing in DW), but as long as the lid is new and dry they work well & go on quickly without a fuss. but when removing from the fridge, some condensation develops and makes them impossible to reattach to the same container if either or both are damp even a little. but, they work perfectly for use with the dog and cat foot containers i need to reuse. can't speak to how well the food keeps beyond my storing 2-5 days, but these kept fresher than any pet store marketed lids.
I was hoping for something that had a tighter fit. These lids were indeed stretchy, but you had to struggle to put them on cans and such. And then I wasn't confident they'd stay on. Can't really use them.