Large FEO Packing Set Sports Bottle with Thermos Vacuum Insulation Review

I use a thermos every day and the rubber insert is starting to wear out. Replaced twice, works great!

The gasket is a little bigger than the original and didn't hold in place at first. After tightening the lid a couple of times it held up and stopped leaking.

I bought this to replace a very worn seal in one of my thermos water bottles. The ring is slightly larger than the original so it was more difficult to fit than the original but it works pretty much the same.

They are only 2mm larger for a thermos. I bought two sets and both keep falling or slipping when I unscrew the thermos caps because they are slightly larger in diameter than the original caps that come with the thermos. Good quality, looks the same as the originals, but when they are too big and keep falling out, it's frustrating and uncomfortable. I'm afraid they might leak if I try to trim them to fit. THAT'S A LOT OF MONEY FOR SMALL SILICONE PADS. But what will you do? Spend $5 on them or…