Note : --Suitable for most cars with headrests, the distance between the crossbars should be between 6.5-18cm.Product Specification:-- The pillow is equipped with a soft and thick memory foam pad, which is suitable as a cushion.-- Cloth or Leather pillow case, easy to clean.-- Adjustable pillow width, suitable for every passenger.-- 180°rotation, suitable for passengers of various heights, saving space.-- High-quality ABS material telescopic support rod, stable and safe.-- Detachable pillows are easy to install and store.-- Material:Cloth Type : Cloth + memory cottonLeather Type : PVC Leather + memory cotton-- Size: about 36*20*11cm/14.2*7.9*4.3 inches;23*13*3cm