The green foams for flower arrangements are a large size of 9" L x 3"W x 4.3"H, cut and shape easily. Our soft fine Styrofoam is super durable with the strong support which can hold water for an extended time and support your flower stems well. These green floral foam blocks can be used for artificial silk flowers directly, and also can keep the fresh flowers fresh for weeks after absorbing water. Wet and Dry Use These green floral foam blocks can be used for artificial silk flower directly, also can keep the fresh flowers fresh for weeks after absorbing water Absorbs Water Well Our large flower foam block is super durable with strong support which can hold water for an extended time and support your flower stems well How to Use - To use the flower foam blocks, just soak floral foam in water by naturally and cut the proper size, then place your flower on the foam (WARM TIPS: Do not press or shove the flower foam blocks into the water, as it may lead to insufficient water absorption) Floral Foam Size The green foams for flower arrangements are with large size of 9"L x 3"W x 4.3"H. The flower foam blocks cut and shape easily after absorbing enough water, you can cut it into different shapes sizes Wide Applications - The green flower foam blocks are perfect for floral arrangements for big holiday arrangements, flowers business, outdoor weddings etc.