Professionals love our bolsters. With our silky smooth easy-to-clean PU upholstery and foam filling provide superior comfort and support for your clients. This semi-round bolster is flat on one side to prevent rolling out of position when in use. This bolster is versatile in its functionality. Place under the knees or ankles to align the vertebrae and relieve stress on the lower back. It features a zippered outer case and a strap handle allowing for easy positioning during sessions. The semi-round bolster is available in various colors, so that you can choose the one that best serves your needs. Master Massage 6 Inch Semi Round Bolster Table Cushion Pillow Black Black 6 Inch (Pack of 1)