Memory Foam Support Pillow Memory foam core provides stable, snug support that fits the legs and retains its shape over time, helping relieve knee, leg, waist and hip pain. Adjustable Strap Elastic strap keeps the pillow securely between the legs, maintaining stable alignment even when you change sleeping positions for reliable support throughout the night. Easy Maintenance Breathable removable cover is machine washable, making it easy to keep clean and fresh. Ergonomic Design Place the knee pillow between your legs to prevent limb numbness and leg discomfort, and to promote healthy blood circulation. Use scenarios Side sleeping: Place the pillow between the knees to align hips and knees, reduce pressure points, and improve overall comfort during the night. Pregnancy or postpartum: Sidesleeper support to maintain hip alignment and leg comfort for added rest and relief. Recovery or chronic pain: Supports knee and leg alignment to help reduce lower back strain and improve circulation during rest.