Using these flower vases is easy. First, assemble the vase by connecting the cup, hollow stem, and base. Then, fill the vase with water and add your favorite long - stemmed flowers. You can use them to decorate your event tables, making them look more beautiful. When it comes to maintenance, simply wash the vases with mild soap and water after use. Make sure to dry them thoroughly to avoid any water spots. Keep them away from sharp objects to prevent scratches. And don't expose them to extreme temperatures as it may damage the plastic material.