The Zoo Med Terrarium Moss is a 100% natural moss cage substrate designed to provide your turtles with the ultimate habitat. Your turtles will love lounging on the soft moss and it will help them feel more relaxed and secure. This moss is also perfect for use in humidifying shelters and can provide your turtles with an excellent place to lay eggs. You may have questions about this product. If so, feel free to call us at 1-800-277-9286 so we can answer any that you may have!