Zombie Hands & Tombstone Aquarium Ornament. They're ALIVE! The zombies are in your aquarium! But don't worry these zombies are only interested in feeding on fun and making your aquarium a scream. These polyresin detailed ornaments are not only great looking in the light but they also glow in the dark. Fish-safe and fun to have in your aquarium. Features Polyresin material Glow in the dark feature Provides shelter and hiding places for fish Dimension - 3.75 x 2 x 4.25 in. Item Weight - 0.35 lbs.