5PCS Dry Floral Foam Brick Round Flower Holder Florist Blocks Dried Floral Foam Base with Bowl Sponge Fresh Flower Arrangement for Florist Floral DIY Craft Home Wedding DecorationMaterial: Made from phenolic resin, weight please, strong and durable, absorbent, will not leak, can be good for flowers to retain moisture. Preservation of Freshness: Submerge the foam block in water and insert the flowers you wish to decorate with diagonally cut stems into this moist circular foam, with a tray underneath to provide continuous moisture for your arrangement. DIY Good Helper: Green floral foam blocks can help you DIY different floral