Sierra Auto Tops & Seats Mazda Seat Kit, Synthetic Leather, Black Includes both driver and passenger seat cushion and backrest (4 pieces) Headrest is perforated for in-seat speakers D.I.Y. installation guide available by email upon request Made from a durable and rich looking vinyl to simulate leather Seats are stitched with matching colors using bonded polyester threads Driver side and passenger seat cushion and backrest Headrest is perforated for in-seat speakers, Phillips screwdriver Flat screwdriver Hog ring pliers and rings Wire cutter pliers 12 &amp; 14mm socket Razor blade Contact cement spray adhesive Precision cutting of the patterns with automated computer guided equipment Seats are stitched with matching colors using bonded polyester threads Made from a durable and rich looking vinyl to simulate leather Step-by-step installation instructions with detailed photos