Description: This is a aquarium floating rock, it will float on water for decoration. You can tie the sucker with the rope of the pumice, then dragged into water, make the sucker griped the bottom of the tank to build the suspension landscape. The pumice surface has many holes and can be contact large area, so it can absorb the water harmful substance and heavy metals, not only conducive to plants climbing and take root but also conductive to the fish grow, can also provide fertilizer for the plants. Such a stylish decoration, what do you hesitate for? Features: 1. Made of high quality resin, corrosion resistance and non-polluting, non-radioactive, etc. The suspended stones are eco-friendly products for fish. 2. High simulation stone texture, synthetic moss stone floating rocks change your aquarium into a beautiful scenery. 3. Attached with a transparent fishing line and two suckers bottom of the fish tank, the stone will float easily at any level by adjusting the length of the fishing line. 4. The stone surface with green simulation moss offers the natural environment feeling. 5. Can absorb the water harmful substance and heavy metals, not only conducive to plants climbing and take root, but also conductive to the fish grow. Specifications: Material: Resin Color: Gray + Green Shape: Irregular Small Size: 6 x 8cm / 2.4" x 3.1" (L*H) Medium Size: 8 x 13cm / 3.1" x 5.1" (L*H) Package Weight: S: 100g; M: 273g Package Included: 1 x Floating Rock 1 x Suction Cup 1 x Transparent Fishing Line Note: 1. Please allow 1-3cm error due to manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.3. Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering. .