Includes 2 pack front seat cushions, 2 pack front backrest covers,2 pack front headrest covers. Bottom Seat Cover: 21.8*20.5 inches(L*W),Backrest Cover:21.6*25.2 inches(L*W),Headrest Cover:15.7*9 inches(L*W). Compatible vehicle with detachable headrest and airbag.Incompatible vehicles with built-in Seat belt, non-detachable headrest and large trucks etc. It doesn't fit the seat of Full-Size Truck such as Silverado, TUNDRA, F-150 and full-Size SUV such as Tahoe, Expedition, Acadia. Premium PU Leather Material-The auto seat cover is made of high-grade soft PU leather, waterproof, easy to scrub, durable and good breathability. Built-in a layer of highly flexible sponge, four seasons applicable.