Size H: 7.5in(19cm), L: 6.3in(16cm), W: 2.8in(7cm), suitable for medium or large aquarium over 25 cm in height. weight：520g. No sharp edges around aquarium mountain, so it won't scratch the skin or fins of fish. This aquarium mountain is made of resin material, Realistic modeling, with holes at the bottom of the rockery. The fish tank view stone is decorated with smooth surface, exquisite carving, the color close to the real stone color, and decorated with moss, small trees, more beautiful and true, your fish can swim safely freely through the cave hole. The quality of this aquarium ornament is guaranteed and special packaging is used to avoid damage during transportation.