Aerator – instantly enhances bouquet and flavor Filter – helps prevent cork residue, sediment and tartrates from entering your glass Pourer – drip-free pour control Re-corker – never struggle with a cork again Stopper – store wine spill-proof on its side in the refrigerator Dishwasher Safe. Use again and again! USA design and manufacturing Superior medical grade plastic – proprietary formula Completely inert – no taste or odor Soft to the touch – pliable and easy to manipulate Exceptionally durable FDA approved – BPA-free Fits ALL natural, synthetic and glass corked 750 ml and 1.5 liter wine bottles Will not absorb nor alter aroma or flavor of contents.