UNIQUE DESIGN: Our delicate hip pillow is separatable, it consists of two seprate curved pillows and has a zipper to connect them. Each pillow has a smooth zipper which is convenient for taking out the fabric cover to wash. ADJUSTABLE STRAP: Our hip pillow has an adjustable strap to keep it from moving off your leg when you are sleeping, it provides continual support all night to give you good sleep. PAIN RELIEF: Our leg pillow provides a soft, supportive foundation for your lower body, relieving pressure and pain in your hips, legs, and lower back. Best choice as a sciatica nerve pillow. SOFT SUPPORT: This leg pillow is based on Ergonomic design which made from slow rebound memory foam, it can perfectly fits your lower body and provide knee, hip and leg support. MACHINE WASHABLE: No worries about cleaning maintenance, this knee pillow comes with an breathable & easily removable and washable fabric cover!