YK auto USA Luxury Original US patent Synthetic Leather Lumbar Support Cushion Low Back Seat Cover 6 pcs 1 pair- Grey One size fits all/Any car size (Back covered with same synthetic leather matherial and pocket on the back) Easy to install and fits most Low Back Seat Cover / Head Rest Separated for Front Chair Sponge form 8 mm side open for airbag and arm rest YK auto USA acquired original US patent for back and hip alignment support