Core Products Econo Leg Spacer is designed to help relieve pressure and strain on the lower back, hips, knees and ankles. The spacer fits comfortably between your legs and keeps them in alignment with your spine. Helps to relieve pressure on joints and improve circulation to lower extremities. The special contoured design stays in place and moves with you without the need for straps. Made of precision cut, high quality foam. Included blue cover is removable and handwashable. Standard 10” x8” x 6” (25cm x 20cm x 15cm).