SunKni 2Pcs Glowing Effect Silicone Artificial Coral Plant for Aquarium Decorations Fish Tank D&eacute;cor Fish Bowl Ornament Quality: made of silicone, harmless to all fish, both for fresh and saltwater Size and weight: h-10cm w-10cm (h-3.94inch w-3.94inch) / 15g/1pcs, as shown in pictures Package: simple packing,contains 2 piece of corals Great accessories: cute and fun addition to any aquarium! So cool! Attention please: it only glows under the light of aquarium or fish tank, can't glows without light Material: made of silicone, harmless to all fish Size: 10 X 10 X 10 cm Weight: 30g (2-pack) Cute and fun addition to any aquarium! So cool! Only glows under the light of aquarium, can&#039;t glows without light 2-Pack