Conventional below freezing pack takes about half the time of -36°F (-16°C). Total Weight: Approx. 2.6 lbs (1.2 kg); Size: Approx. 10.0 x 7.7 x 1.4 inches (25.5 x 19.5 x 3.5 cm); Main Material: Container: Polyethylene, Contents: Vegetable natural polymer. Speed freezing! Conventional below freezing pack takes about half the time of -36°F (-16°C). The sticky time under the freezing point is equivalent to -16 °C (-16 °C). *Due to the nature of the material, there may be individual differences in viscosity, but this does not affect the performance. Product specifications may change without prior notice.