Tula Hats - Women's - Margo Black Ribbon Palm Hat Cleaning: Many spots and stains can be removed with a hand held gum eraser. You can spot clean your hat with a brush or damp rag. If needed you can use a mild liquid soap. Hand-sewn black/white/khaki grosgrain ribbon 50+ UPF Strings and Stray Palm: Over time you may see threads or pieces of palm sticking up on your hat. Feel free to cut those off. Our hats are lock stitched so they won't unravel like other hats.