Superwool Plus 1″ 8 pound density Biosoluble Fiber manufactured in Augusta, GA by Thermal Ceramics. 1″ x 24″ x 300″L = 50 sf per box. This fiber has very low shot content and the best insulating properties for this class of material. Ships from our Northern California warehouse. Also available for pickup close to the Oakland International Airport.Box size of 19″x19″x25″ & 41 pounds per box. Classification temperature of 1200C (2192F) with exceptional thermal insulating performance. This is a low bio-persistent alkaline earth silicate (AES) fiber that is exonerated from carcinogenic classification.