FAQ: 1. What is the ''red wine wake up'' ? - - Wine needs to breathe, as people need to breathe, opening a bottle of wine and let the wine contact with the air, then bursting out the red wine's original aromatic flavor, this proc> ss is called ''red wine wake up''. 2. Why do you need ''red wine wake up'' ? - - In the wine brewing process, it will produce a tannin acids, which mainly be made from grape seeds and grape skins, when tasting red wine, tannic acid and protein molecules of saliva occur chemical reaction, lead to oral surface to produce a convergence reaction, people usually call it '' astringent '', '' astringent '' is characteristic of red wine, in order to reduce astringency, we let the wine in contact with air, so that let the wine oxidation, let 'astringent' just right. Feature: Materials: Acrylic(food grade safety material, environmental protection, no harm), FDA approved, BPA free and 100%! Product Size: 16x2.5x4cm/6.3x0.98x1.57inch Product 42g/1.48oz What is in the Box: 1 x Wine Aerator Pourer Contact: For all enquiries, please fell free to contact us on amazon via ''contact the seller'', Please include your order number in your email if possible, this will help us to find your purchase and solve the problem more quickly! GET TO KNOW US: We created ''PROIMB'' with a goal in mind: to make the happier life , better quality and better services!