Descriptions: 1.Suitable for most containers, easy to customize. Wet flower foam can be cut into different shapes and sizes, slightly put in water and wait a minute until it fully absorbs the water. 2.Floral foam is easy to customize. Wet flower foam can be cut into different shapes and sizes to fit various sized containers, gently place it in the water and wait a few minutes until it fully absorbs the water. 3.These flower foams can be used directly on rayon flowers. Or after absorbing water, it can also keep flowers hydrated. 4.Round Floral Foam is great for holding flowers in place and keeping them fresh and alive, and can be used for a variety of decorative arrangement possibilities, including fresh flowers, foams such as weddings, birthdays, and other special events. 5. If you have any questions after receiving the product, please feel free to contact us, we will provide you with the most satisfactory answer. Specifications: Product material: phenolic resin Product weight: 6g each Package List: a set of Foam Blocks