The Hamiledyi Aquarium Resin Driftwood Decoration Betta Fish Ornament is perfect for adding a touch of elegance to your fish tank. Made of natural resin, this ornament is safe for all pets and is easy to install. With its holes on the trunk fish decor, this ornament makes it easy for your fish to hide in when they’re not swimming. The package includes 4 pieces of resin wood aquarium decor that are each the size of 3. 9″x5. 5″x2″.