Oasis® Floral Foam Bricks are the perfect foundation for creating beautiful, fresh, lasting floral arrangements for home, special events and gifts. New OASIS® Floral Foam Maxlife with Enhanced Biodegradability, the only floral foam proven to provide flower life that lasts as long or longer than flowers in a vase of water. ASTM D5511 certified biodegradable 100% within 567 days. Medium density - perfect for everyday designs with roses, carnations, poms, liatris, etc.