BREATHABLE EASY CLEAN COVER: Breathable, removable cover is machine washable for easy cleaning. MEMORY FOAM KNEE PILLOW for SIDE SLEEPERS: The ergonomically designed memory foam pillow fits comfortably between your legs providing ideal alignment for your hips, knees and back. Simply place the pillow between your legs either above or below your knees and enjoy comfort and support. Best for sciatica relief, back pain, leg pain, pregnancy, hip and joint pain. SUPPORT LEG STRAP: Keeps the knee pillow in good alignment between your legs even while you toss and turn. ERGONOMIC CURVED DESIGN: Ergonomically curved design for the DJMed knee & leg pillow separates your knee with ideal spacing to support and keeps a better alignment of your legs, helping to improve circulation.