Cruvina Silicone Wine Bottle Stoppers Easy to insert and to remove from the bottle; with its innovative release technology, simply press the stopper into the bottleneck to create an airtight seal that will not leak even if the bottle is laid on its side. To take out, simply bend stopper sideways and pull out. Made of FDA approved silicone and stainless steel in 2 mature colors; unlike the Rabbit and other competitor's bright fluorescent look. Cruvina Bottle Stoppers will not crack or fade with use. And they are Dishwasher safe. Perfect for all bottle sizes; whether sealing wine, champagne, soda or oil and vinegar bottles. You will be taken care of with Cruvina Bottle Stoppers. 100% LIFETIME GUARANTEE - if you break it, we'll replace it. Cruvina's lifetime guarantee has you covered. No Questions Asked!