Materials: The flowers are made of soft polyurethane (PU) and the stems are made of plastic. Size: Overall height: 12.6"/35cm; Diameter of each flower head: 3"/8cm. Includes 20 calla lilies per pack, vases not included. Calla lilies are a must for wedding parties. Use them as bridal bouquets, use them as table centerpieces, or DIY your own brooches. Use your imagination to create your own romantic wedding. Use a variety of calla lilies to create your hair accessories. You can use different colored hair accessories to match different outfits and participate in different themed parties. If you want the flowers to look like they are growing in water, you can place them in a glass vase filled with water.