Saim Aquarium Plastic Resin Artificial Castle Decorations Fish Tank Landscape Ornament, Small Detailed castle includes several holes for small fish to swim through Adds texture and a whimsical theme to any aquarium Natural and realistic appearance. Made of resin and plastic, safe for fish. Size measures about: 6.3"/16cm x 2.17"/5.5cm x 4.92"/12.5cm(L*W*H)