Just squeeze to believe. This  down-alternative Dream Supreme Plus pillow features 100% hypoallergenic polyester gel fiber fill for firm support. These superior quality pillows provide the softness of down and comfortable support for back, side, and stomach sleepers alike. The shell is made of a 370-thread-count, 100% mercerized cotton fabric with a floral jacquard pattern. The polyester gel fill provides great loft recovery and does not shift, and is also machine washable and dryable on a cool setting