a sterilizable , lightweight reflective surgical drape which is effective in reducing the rate of heat loss in human patients and may be used to provide a sterile surgical environment and an effective barrier to bacterial migration throughout a surgical procedure . the drape has non - conductive metallized plastic sheeting and at least one of a layer of thermoplastic material and a layer of flexible non - woven sterilizable material . in a preferred embodiment , the drape of the present invention has a non - conductive first layer of aluminum and a second layer of a thermoplastic material . an optional third layer of a thermoplastic material is attached to the non - conductive first layer of aluminum . in another preferred embodiment , the drape of the present invention has a non - conductive first layer of aluminum and a second layer of flexible non - woven sterilizable material . an optional third layer of flexible non - woven sterilizable material is attached to the non - conductive first layer of aluminum .