Optimum Opt Brand. 4PC Set Infiniti Q40 Q50 Q60 Q70 Q70L QX50 QX60 QX70 QX80 2 Front Car Seat Covers Polyester MESH Cloth, Black and Gray Two-Tone Color, 77F160-BK !!!IMPORTANT!!! The cover is only suitable for the configuration as shown above with the green checkmark. They will not work with racing seats or seats with any type of seat belt built into them. Package: 1 Installation Sheet; 1 Bag of Mounting Hooks; 2 Low back seat cushions (will not work on high back seating or seats with non adjustable headrests); 2 Separate standard sized headrest covers Material: Our seat covers are made of quality polyester fabric with 3mm foam . Front seats will have a lycra/polyester backside in matching colors that will snugly conform to the back of the seats. Material will stretch down behind the seat for full coverage. Installation is easy with our pre-sewn elastics straps and mounting hooks (also provided) Care and Cleaning: Spot Clean Only Size: Semi Custom Low Back Universal Fitment.