Thermal Maximum R-Value performance (R-13, R-19, R-21, and R-30) Improves heating and cooling efficiency resulting in energy and cost savings Oversized widths install friction tight minimizing air convection and infiltration Environmentally Safe LEED Certified "Green" Product Recyclable cotton reduces landfill waste Minimal energy required to manufacture conserves energy No chemical irritants; no VOC outgassing, no formaldehyde, no fiberglass