Kurt Adler Glass Jellyfish Ornament C9617 Single Nautical Sea Life Glass Jellyfish Ornament. Size: 7 inches. This beautifully detailed glass ornament has a translucent blue design with hanging icicle-like tentacles and gem adornments. Beach, Tropical, Coastal, Nautical, Sea-Life and Jellyfish Themed Ornaments Collection. By Kurt S. Adler Christmas Decorations and Decor.