uxcell Silicone Aquarium Sea Anemone Plant/Grass Decor, Yellow/Green Stone anchor base hold gravel to firmly keep the plant in place It measures approx. 4.1" diameter, 2.9" high Add beauty and realism to your aquarium with this Aquarium Silicone Sea Anemone Weight: 78g 1 x Aquarium Sea Anemone Ornament