Product Features: Dishwasher safe, microwave safe, heat-resistant temperature of 47°F (230°C), cold-resistant temperature -4°F (-20°C); Material: Silicone; Product Size: Approx. W 1.8 x H 3.5 inches (4.5 x 8.8 x 8.5 cm); Package: W 2.6 x H 5.0 inches (6.5 x 12.9 x 6.1 cm).