Features: 1. Made of high-quality resin materials, safe and durable. It will not fade or change color when soaked in water for a long time! 2. The resin crafts placed in the fish tank, can decorate aquarium, or as home furnishings, office desk furnishings. 3. Easy to clean: Use soft brush and water to clean the dirt! 4. Bright colors and fashionable styles! Creates water current and dazzling underwater scenes. 5. Creates bubbles in fish tank while attached to an oxygen pumps(oxygen pumps is not included). Increase oxygen levels, lower CO2 and raise PH. Notice: 1. Actual color may be slightly different from the image due to different monitor and light effect. Please allow 1-3cm deviation due to manual measurement. 2. Ornament only, Oxygen pumps is not included. Specification: Type: Volcano Shape Ornament for Aquarium Material: resin Function: Landscaping decoration, will bubbling when connected to the oxygen pumps Product Size: S: 6.5*6.5*5cm L: 14*13*10cm Package List: 1 x Volcano Shape Ornament for Aquarium