This is a Nine Tube Caribbean sponge #644 shown in a two tone pink/purple color measuring 7"x5"x6" high. The sponge is more pink on the outside than shown in pic. These are 

from Ocean Aquaria, the same corals used in Public Aquarium exhibits,theme parks, and zoos. I am the manufacturer. This coral can be done in any color, any quantity. Each square in the grid in the picture is 1"x1". for pics of more corals. These corals are of the finest available. They are unbreakable,flexible, and safe for all aquariums, fresh or saltwater. Excellent for reef tanks. Mix them in with your live rock. They look so real. The detail is incredible. See the full catalog on our website. Call or email if you want to buy multiple corals. You may also call me if you have any further questions. 1-888-637-6598 

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