Our sciatica relief saddle pillow is your best defense for chronic lower back pain. Sitting for long periods puts pressure on your sciatic nerve, which can lead to sharp radiating pain in the spine, buttocks and legs. Bicycle seat shaped or saddle shape cushion eases and prevents sciatica discomfort by taking weight off your thighs and backside helping you maintain proper seating posture. Poly fill padding with removable washable cover.Perfect for home, office and car. Each measures 14"L x 10"W x 2 1/2"Deep.