Save those open bottles of wine with the WineLock bottle preserver from Caso. Simply plug the bottle with the WineLock and vacuum out the air with your vacuum sealer. This system can also be used for oil, vinegar, juices, and other non-carbonated liquids with bottle necks with an inner diameter of 16-19 mm. The seal the WineLock provides is airtight which slows oxidation that can cause wine to spoil quickly. Uncork your bottles without worrying if it will go to waste with the wine preserving system from Caso.