PRESERVE THE BUBBLY - Use this champagne saver bottle stopper to preserve the leftover bubbly after opening. Just press the cap down and lock it with the steel safety clip. Store your bottle flat, or stand it upright and the seal works the same. 2Pack included, black. AIR-TIGHT and LEAK-PROOF - This stainless steel slide clips is specially designed to firmly catch the ridges of the bottle on both sides so it can hold up to 13lb internal pressure. Soft tapered silicone fits more snugly in most bottle neck to avoid any air leakage. Coated surface makes a smooth and comfortable edge for easy release even for arthritic hands. SOLID CONSTRUCTION - Stoppers that are spring-loaded or consist of many parts will definitely come with the risk of exploding or falling apart after multiple use. But our sparkling wine stopper is made of ONLY stainless steel and silicone. Heavy duty stainless steel can pass thousands of times of drop test and silicone is pressed into the shell with incurvate opening so it will no more fall out. Simple design but solid. BEST VALUE and PERFECT GIFT - By offering the champagne saver in a pack of 2, we are able to save cost on packing, processing and shipping. And we pass these savings on to you without compromising QUALITY. 2 Sets sealer stoppers are packed in nice box, perfect to make a great gift, goodie bag filler, and stocking stuffer.