Greenbrier 3 Plastic Cut-Edge Vases, 8" 3 Plastic Cut-Edge Vases with pretty detail Each 8 inches high Has the look of cut crystal with all the convenience of plastic! Its plastic construction means less breakage during floral deliveries, plus its better suited to outdoor events where wind and weather could be a factor. Its large 4 inch diameter makes it perfect for large floral arrangements and bouquets and it elegantly holds a dozen roses.