1" x 16" x 48", No Itch Utility Insulation With Frost King Natural Cotton Insulation, No Need For Gloves, Face Mask Or Goggles, Completely Safe & Easy To Install, Provides Maximum Insulating Power, Cut It, Rip It Or Just Fit It Into Your Ducts, Walls Or Anyplace That Needs A Quick Bit Of Insulating, Made From Recycled Denim.