The Powerblanket MD0310 Multi-Duty Concrete Blanket is a multi-purpose outdoor heat blanket used for curing concrete. This insulated concrete blanket provides even heating throughout the entire surface, and (depending on the environmental conditions) it is rated for 120 Volts, 480 watts, and 4 Amps. It will become your favorite construction heating blanket for those chilly months, and it heats up to 90 to 110 degrees F. This heat blanket is 48 inches by 132 inches and approximately 0.75 inches thick. It comes with a 15 amp plug. This curing blanket is UL/CSA/ETL certified in the U.S.A. for non-horizontal use. Online freight charges are subject to change without notice due to fuel surcharge fluctuations. Actual product color may vary from the photo.