Product name: Colored stone for landscape Product size: 9mm / 0.354 inches Product color: As shown in the figure Product material: pebble Product features: shaped luminous stone fluorite, with luminous effect, add to the mysterious atmosphere of the aquarium at night. 9mm suitable size, can be used for aquarium gardens, roads, fish tank landscape and other places. Colorful stone design creates visual diversity and beauty. Pebble material, smooth and round, will not hurt the fish mouth or fin, safe and reliable. The luminous effect can last for a period of time, so that you can still enjoy the bright light of the stone at night. Precautions: 1. As we all know , the different computers display colors differently, the color of the actual item may vary slightly from the following images. 2. If you feel difficult to choose the size, you can feel free to contact mewe will give you some suggestion, but it is for you reference only. Shipment includes: 100pcs Colored stone for landscape