This image is similar to Orange Soft Coral Stem and Pink Soft Coral Stem. All of these images are just the last few inches of the coral. The "stem" part of the coral takes on water to give the colorful parts more suface area to feed. To see this kind of coral when it is not "puffed up" see Crinoid and Soft Coral Bouquet. To see this kind of soft coral in all its glory link to Light Pink Soft Coral with Crinoids and Red on White Soft Coral.
The maximum size for this image is 9 x 14 inches.