Shop / AQUATIC ACCESSORIES / Penn-Plax Treasure Chest Fish Aquarium Ornament - Mini Penn Plax $4.49 Penn-Plax Treasure Chest Fish Aquarium Ornament - Mini Quantity Size 3" Ship to me Pickup in store Set your store for inventory and store pickup details Zip Code Search Add To Cart Information Let your fish discover some real booty in the Penn Plax Mini Treasure Chest Aquarium Décor. This classic aquarium decoration is a surefire win. It's crafted of non-toxic resin that won't alter the water's chemical levels. Customers also liked Customer Reviews