Part of the hat top, the stoppers are not just for sealing . They are made of silicone so their texture allows them to provide an air-tight seal in all sizes including , , soda, and oil and vinegar. Clean up is easy because these stoppers are dishwasher safe and reusable. Features - ColorAssorted Color - Material: Silicone. - Size: about 9x4x4cm. - Made of silicone so their texture allows them to provide an air-tight seal in . - Fancy design and non-stick silicone and /beer cover, perfect items for stools or kitchen beverage . - Use the different colored stoppers to distinguish between wines during a tasting, or a and . - This wonderful silicone set is perfect for prolong and preserve opened bottles of . - Flexible, reusable and for long term use. Dishwasher safe and easy to clean. - Warm Tip: Dear buyer, due to lighting effect, monitor's brightness, manual measurement, etc., there could be some slight differences in the color and size between the photo and the actual item. Sincerely hope that you can understand! Thank you! Package list: 5 x Stoppers