TOPHOUSE 8 Packs Floral Foam Blocks Wet Dry Green Florist Styrofoam Flower Foam Bricks Arrangement SuppliesNumber of Items: 8 Floral styrofoam measures appr. 8. 5IN*2. 4IN*3. 5IN(L*W*H). Foam kit for crafts is easy to use and the size can meet any design need. How to Use: To use the foam blocks, just soak foam in water and cut the proper size, then place your flower on the foam. MaterialHigh density soft fine styrofoam, quick saturation and low drainage Wet or Dry Wet foam block is water absorbing foam. Once wet you can arrange fresh flowers and live