Ventshade installed externally on GMC Sierra and Chevrolet Silverado vehicles. Prevents precipitation from entering the cabin when windows are partially open. Also reduces wind noise while driving. Made of acrylic polymer with high resistance to sunlight, temperature fluctuations, and mechanical impact. The surface has a special coating that reduces glare and improves appearance. Installation possible without drilling or deformation of the body or the product itself. Rear deflector length 45 inches, front 47 inches