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 2.8 x H 2.0 x D 2.0 inches (7.1 x 6.2 x 5 cm); Package: W 2.6 x H 5.0 inches (6.5 x 12.9 cm).