Soaking Instructions: Free float handle until the foam is completely saturated. Do not force the holder into the water. This item makes of plastic and flower mud. You find what you need & save within our large selection. It Can match with any style bouquet of flowers. Create stunning centerpieces, bouquets, wreaths, topiaries and more with floral foam. This water absorbent foam soaks up water like a sponge and acts both as a preservative to prolong the life of the flowers and a support to hold them in place.