Go from a square pillow into a u-shaped neck pillow in seconds. Shake the beads into any shape that is comfortable. Unzip the hidden hoodie to get some privacy while sleeping. Great feeling outer stretchy material conforms to you. Convenient outside clip so you can hang it from your pack or suitcase. Size Closed: 10"x15". Weighs only 10 oz. You will love this squishy pillow!