This Mat made of Polyurethane which can release your stress and comfortable. And its Semi-circle design which can make your feet feel comfortable. And It can be used as a knee support pillow, lumbar support pillow, or leg spacer. It comes with a high quality, which is removable for easy cleaning Feature - Color: Black. - Material: Polyurethane. - Size: 40x20x10cm. - The orthopedic keeps your knees separated with spacing and support to 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. - Inflatable Travel Foot Rest Pillow - Improves circulation, and can reduce swelling by raising the legs - Helps Reduce DVT Risk on Flights - Relax and rest on the long journey - for travel, home, office, etc.