Moss Ball Holder: Large holder for fish tanks, Prevent moss balls, kokedama, Marimo Moss balls, or plants getting eatteb by aquarium fishes and shrimps.
Can use separately with 1PC Half Sphere at the bottom of aquarium. Or use 2PCS Half Spheres to make 1 décor ball to hold large moss balls inside.
Versatile Design: Can grow aquatic plants and hold filter material for decoration. Clear Ornament: Thread structure, easy installation and removal, no DIY process needed.
Aquarium Decor: Decorative ball for purifying water quality, suitable for shrimp cylinders.