The fiberglass chopped strand mat you will receive has a specification of 4.4 yards × 41 inches. It has uniform strength and stiffness throughout and can be used to repair various surfaces, including concrete, wood, fiberglass, metal, etc. When used with fiberglass resin, this fiberglass mat has waterproof and reinforcing effects in repair work, and performs excellently in the repair fields of automobiles, aerospace, ships, electronics, households, etc. This fiberglass mat is an ideal repair helper when additional strength is required for repairing more severe damages such as larger holes and cracks. The fiberglass mat is in a non-woven state with good quality, which is very suitable for repairing curved surfaces of automobiles, and also applicable to various scenarios such as molding, mold making, shipbuilding, etc. It has a specification of 41 inches × 4.4 yards, weighs 1.5 ounces per square foot, and has good flexibility. It can be adjusted according to your needs or the required shape, making it easy to use.