Petit Heart Jello Maker with Convenient Tray, Made in Japan! by Pearl. $11.99. Heat resistent range : -20C~80C. Size : 9.5x6x2 inch. Made in Japan. capacity : 800ml - 6 heart shape jello. Removable inside tray makes molding removal easy.. The removable inside tray ensure safe, simple removal of all your molded masterpieces. This product will be shipped by usps priority mail within 1 businessday.