You want to design your first aquarium landscape or give your old aquarium a new look? Then this fish tank rock formation is exactly the right thing for you. Whether for a nano tank or a large saltwater aquarium - The rock with its 3 holes is a great hiding place for small fish and shrimps. The green artificial moss and pink shells really make this aquarium decoration pop. The light decoration made of synthetic resin is non-toxic and will not scratch your windows. Please note: Rinse thoroughly under running water before the first use. Do not use any cleaning agent and do not boil the decoration. Aquarium Decoration Details - Total size H x W x D: app. 8.5 x 17 x 9 cm - Hole diameter: app. 1 - 4 cm - Material: Synthetic resin - Colour: Grey-green, purple & pink details - Weight: app. 150 g Decorative Aquarium Rock Formation - Natural looking ornament for aquariums of all kinds - For creating beautiful landscapes in fish tank or terrarium - Great 3D effect looks aesthetic from all sides