Product Features: Dishwasher safe, microwave safe, heat-resistant temperature of 47°F (230°C), cold resistance to -4°F (20°C); Material: Silicone; Product Size: Approx. W 1.6 x H 4.1 x D 1.9 inches (4 x 10.3 x 4.8 cm); Package: W 2.5 x H 2.4 inches (6.5 x 1 cm).