Increase your RV's A/C and heating efficiency. Sunshield's reflective surfaces block 100% of the sun's damaging rays, helping to keep your RV cooler in summer and warmer in winter. Reflective thermal barrier mounts securely with hook-and-loop strips. 17.5" x 17.5".

 PROP 65 WARNING: This product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling. For more information, visit www.P65Warnings.ca.gov