Each plant features a weighted ceramic base that prevents floating or shifting in water flows, ensuring your aquarium layout stays neat and undisturbed for long periods Crafted with Polyethylene materials, these artificial plant replicate natural underwater scenery, perfect for creating a nature inspired aquarium environment Requires without trimming or special care while retaining bright color over time, ideal for busy hobbyists seeking aquariums decoration Made from Polyethylene materials, these decorations are to fish and water life, providing a worry without solution for maintaining a tanks ecosystem The set includes two differently sized plant for flexible placement, allowing you to design layered underwater landscapes with ease for a personality touches