Material: Our Piano Mat is made of eco-friendly nylon cloth, which is safe and odorless for your baby and children to touch and use their feet to kick. Education: The musical carpet has 9 piano keys and 7 kinds of animal sounds. The musical sounds can motivate your baby's kicking and touching and develop their hand flexibility. The piano mat would give your baby a happy time. Gift: The play keyboard mat is a great gift for children. The bright colors and funny sounds would attract them. The mat measures 100x36cm. Easy to handle: The music carpet mat only needs 3 AA batteries (not included) to work. You can fold the musical play mat to save space when not in use. It can also be detachable and easy to clean (please remove electronic components before washing). Service: We provide 24-hour email support to solve any problems. Your satisfaction is our greatest wish.