Material: Made of a durable resin that's safe for children and pets, eco-friendly, good toughness. Absolutely safe to use in fresh water or salty water and the color won't fade away. Make a healthy environment for your fish pets Size: 5.11x2.56 or 13x6.5cm. Artificial Coral: The resin coral reef can not only decorate your aquarium but also provide fish with a comforting shelter. The lifelike coral ornament with features a realistic texture and look, it's in the tank you can't even tell that it's made of resin. Easy to Maintenance: Resin coral reef artificial plants won't grow, become tattered or unattractive. Decorate your aquarium all the time with more less maintenance. This coral ornament can be applied to aquarium, fish tank, garden, yard, hotel and landscape. Easy to Clean: When it get dirty, just soak it with warm water, use a brush to remove the dirty stuff, then place it in the aquarium. Compatible with both saltwater and freshwater fish and invertebrates.