Penn-Plax Aquarium Ornament – Natural Floating Rock – 2 Pack – Unique Decoration For Your Fish Tank Or Aquarium

Natural Rocks that float in your tank. Perfect platform for growing aquatic moss and grass. FLOATING REAL ROCK ORBS These gravity defying natural rocks float beneath the water line in your aquarium! In addition to looking cool and being a great conversation piece these rocks will sustain moss and algae growth and are a must for your next aqua cape. Floating Rocks with Nylon Line – 2 Pieces – Assorted – 4-4 1/2 Medium & 5-5 1/2 Large. This product is made in China.