It is made with 100% leatherette covering that is perforated for breathability and durability. Additionally, the PU leather material is white and environmentally friendly. The pillow also features a synthetic hollow fiber fill that is moisture-proof and heat-resistant. This makes the pillow perfect for travel as it provides cervical support and is hypoallergenic. The stretchable nylon belt on the PU Leather Car Seat travel camping airplane Head Neck Rest Pillow Cushion allows you to adjust the pillow to your own neck size for a custom fit. The pillow is very lightweight, at only 4 ounces, and has a zipper so that you can change the filling easily.