La-VIE Koshi no Mikata (Friend of the Waist) Air-Inflatable Roller This is an air-inflatable cushion-type stretch roller. By lying on your back and placing the roller between your lower back and the floor, you can stretch to correct your pelvis and refresh stiff backs. Made with a soft-to-the-touch velvet material. Air-inflatable. It can be stored compactly when not in use, making it convenient to carry. - Product Name: Koshi no Mikata (Friend of the Waist) - How to Use: Can be used for relaxation and stretching - Target: Support for the lower back and back - Made in Japan Thank you for viewing. Instant purchase is OK.