Curated Stone Garden Aesthetic: Create an instant oceanscape with this themed set - includes grey slate stack sculpture, two small feather fern sets, aquatic topiary ball set, white seashell set, and moss pebbles. Bubble Tube-Friendly Ceramic Sculpture: Durable, smooth‑edged resin centrepiece easily slides over biOrb bubble tube for a stable and safe decoration - no assembly needed. Fish‑Safe & Easy to Clean: The materials used to create our decor are non-toxic, easy to clean, and durable. Simply remove, rinse and return the components to your aquarium to maintain their pristine appearance. Simple Snap‑in Installation: The lovingly designed set is assembled specifically for the biOrb water basins & ideal for the models CUBE (60l), TUBE (from 30l), LIFE, FLOW (30l), CLASSIC (from 30l) and HALO (from 30l). Compatibility Is Key: All biOrb decorations are compatible with freshwater or saltwater aquarium setups. So, you can create your dream underwater oasis regardless of the type of aquatic environment you prefer.