Chemo Beanies Brooke Rust Ruffle features a unique elastic design that stretches for a comfortable and easy fit. It slips on and off with ease. Cold machine wash is recommended. Lay flat to dry. It is made of 93 percent polyester and 7 percent spandex fabric. It is designed by cancer survivors to provide full coverage of hair loss as an alternative to other hats, turbans and wigs. No tying required.