Seal wine air tight in a snap; bottle can be stored horizontally without a leak! Push the button on top of the seal to release. Sealer has inner diameter of 1 1/4". Here at Frieling, we seem to do a few things differently than other companies (for the better, we think). Thats in fact how the Frieling Feeling was coined a befitting expression that suddenly appeared. Is it contagious? You bet! Is that bad? We dont think so, because so many of our customer friends have been with us since the beginning and come back for more of that Frieling Feeling.