Our foam cushion is 100% pure with no additives! The orthopedic contour keeps your knees separated with ideal spacing and support to align your legs, hips and spine. Relief and treatment for knee, hip, leg and thigh area, pelvis, lower back, lumbar and spine, arthritis, bursitis, joint & sciatic nerve pain aka sciatica. Perfect for side sleepers and use during pregnancy. Our knee pillows are equipped with a removable and adjustable hook-and-loop strap that keeps the knee pillow in perfect alignment between your legs when you roll over while sleeping. No more hassles with readjusting the wedge pillow in bed, giving you an undisturbed night's rest!Specifications:Material: Sponge filling and pure cotton cloth coverSize: 20 x 11 x 11cmColour: White Additional Details ------------------------------ Product description: Our foam cushion is 100% pure with no additives! The orthopedic contour keeps your knees separated with ideal spacing and support to align your legs, hips and spine. Relief and treatment for knee, hip, leg and thigh area, pelvis, lower back, lumbar and spine, arthritis, bursitis, joint & sciatic nerve pain aka sciatica. Perfect for side sleepers and use during pregnancy. Our knee pillows are equipped with a removable and adjustable hook-and-loop strap that keeps the knee pillow in perfect alignment between your legs when you roll over while sleeping. No more hassles with readjusting the wedge pillow in bed, giving you an undisturbed night's rest!Specifications:Material: Sponge filling and pure cotton cloth coverSize: 20 x 11 x 11cmColour: White