Nicrew Aquarium Artificial Floating Pumice Suspended Stone Fish Tank Decoration Moss flying Rock aquatic ornament Landscape Product Features: 1. Light weight leads it to float on the water. 2. You can tie sucker and pumice rope together, then drag it into the water, make the sucker clamp the bottom of the water tank, establish the substrates of suspended landscape and growing plants. 3. Pumice surface has many holes, not only touch more area, but also absorb harmful bacteria and heavy metals in the water, is conducive to climbing and eradication of plants; plant can dissolve minerals, this not only leads to the growth of fish, but also provides fertilizer for plants. Product Parameters: 1. Material: resin 2. Shape: Irregular 3. Product Size: S: about 5.8 * 9.2 cm M: about 8.7 * 14.3 cm L:about 13 * 21 cm 4. Product Weight: S: about 50 g M:about 100 g L:about 150 g Note: Floating rock is real rock, but we cannot guarantee that each rock has exactly same shape. FREE SHIPPING IS INCLUDED!