Memory Foam Knee Pillow.
You can place the pillow between your knees or legs while side sleeping, use it to elevate your feet, knees or calves or place it under your waist for extra support. The shape of the pillow tugs perfectly in between legs, providing ample and cushy support around the leg area. Firm memory foam construction. Comes with a removable and washable cover which makes it easy to maintain high level of hygiene