Made Of rPET and Polyurethane. 290 GSM. Made From Post Consumer Recycled Materials. Recycled Polyester (rPET) Is Obtained By Melting Down Existing Plastic Bottles And Other Material Sources To Create New Polyester Fiber. Pillow And Tags Are Not rPET. Maximizes Lower Back Comfort. Ergonomic Design. Side Pocket For Phone. Outside Cover Is Removable And Machine Washable. Features Belt To Easily Attach To Desk Chairs.