Description: Effective to relieve pressure on lower body for better circulation and sleep. Removable and washable zip cover for easy maintenance. With comfortable foam cushion, helpful to relive knee pain and ankle pain. You can use it when you are relaxing in bed or sitting down in your favorite chair. Material: Foam Size: approx. 19x10x10cm/ 7.6x4x4 inch Package Includes: 1 Pieces Ankle Pillow Note: Please allow 1-2cm(0.4-0.8 inch) size difference due to measurement. Thank you!