Suitable for: Aquarium, TankMaterial: Silk, Plastic, GravelSize(H):11"(81016),5"(81002)Benefits: Beautification aquarium, for nitrification bacteria provide places, aquatic animals are special, without any pollution of aquatic creatures and damage.Please Notes:1,This Artificial coral is safe in salt water. 2, The product life may be shortened due to the rich in mineral composition of salt water.Package Included: 5×Aquarium Plants for Plastic Tank Silk