silicone ice cube tray ,13 pcs heart Features:1) Made of 100% food-grade silicone, approved by FDA, LFGB 2) Temperature range -40 to 446°F / 230°C, higher temperature material available3) Non-stick finish, durable, easy-cleaning 4) Suitable for freezer, microwave, oven5) Any color and size available 6) OEM available 7) Size: 21.5 x 11 x 2.4 cm Silicone Ice Cube Tray