This artificial volcanic is amazing for fish tank decoration. With great color, it is very beautiful and lifelike. Besides, it is soft, flexible and dynamic, which will add unique landscape for your blank and tedious fish tank. Aquarium dedicated, there is no pollution on and injury. Simple and easy to use, it will always remain realistic looking. Features - - Material: Polyester. - Size: Size S: 6.5cm(bottom diameter); 4.5cm (height); 2cm( diameter). Size L: 16.5cm(bottom diameter); 11.5cm (height); 5.5cm( diameter). - No harm to fish and easy to wash. - This item is made from resin and perfect for fish tank and aquarium decoration. - Beautiful looks makes your fish tank and home more comfortable. - Suitable for both fresh and salt water, no-toxi and easy for daily washing. - Aquarium Coral only, other accessories demo in the picture is not included. Package list: 1 x Fake Volcanic Aquarium Decoration Simulation Underwater Plants Fish Tank Decor Landscaping Ornament