Use high-quality resin, through the high temperature casting mold, not only beautiful, but also image vividly.Non-toxic tasteless, will not affect health of fish, and itself is clean, do not need to clean, can be used immediately under the cylinder.Long soak in the fish tank, will not change its color. Do not need to care, so as to reduce trouble and save time.Not only for your aquarium landscaping bring wonderful personality decorative beauty, but also more fish image as a supply of natural environment and provide shelter and entertainment.Color:GreenSpecifications:Pattern:MountainMaterial:ResinSize 16x9x8.5cmUsage:Put the rock under the fish tank directly.Package Included:1x Aquarium Coral Reef RockNote: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.