This stunning notebook comes with a padlock with 2 keys. Children and adults can keep their thoughts safe with this lockable item. Also comes with a cool pen with invisible ink that appears with the special light at the end of the pen. Design features a beautiful girl.\nPlease note this product contains button batteries (wIthin the pen that are unremovable and can not be replaced). Button batteries are unsafe if swallowed.\nProduct Dimensions: 16.2cm L x21.8cm H x2cm W\nSuitable for ages: 5+ years