Size of Backrest: 68 cm(L) x 60 cm(W). Size of Headrest: 59 cm(L) x 20 cm(W) x 8 cm(H). Are you still bothered by the pain in your body?. Check out our wedge pillow set! For your loved ones and friends, our wedge-shaped pillow sets will be a shortcut to a better quality of life.