Review on AVINA Wine Accessories Stopper: Leak-Proof Resealable Bottle Cap for Safe Sideways Storage – Perfect Stocking Filler or Christmas Gift for Wine Lovers by Megan Spencer

This product definitely does not meet the advertised specifications. When I first took it out of the box it looked like cheap plastic, but I carried on. I put it on top of my open wine bottle, it didn't seem to fit very well so I had to do it a couple of times. I put the bottle in the fridge as recommended by the company and it leaked. Not much, around 10ml, but still more than their "No More Spill" slogan promises. For what you're spending, I'd spend a little more and get better.