Bakerpan Silicone Wine Stoppers, Bottle Stopper, Wine Bottle Cork, Set of 4 (Colors) Save on Bakerpan Food Coloring Markers with purchase, Bakerpan is a registered trademark and sold exclusively by Bakerpan FDA Approved 100% Food Grade Silicone Set of 4 standard size airtight bottle stopper Microwave, oven, freezer, and dishwasher safe Preserves freshness in your favorite bottled beverage Good for temperatures from -40 to 446 degrees Fahrenheit