Material: 92% polyester, 8% spandex, soft fabric, stretchable, fits your arm. Breathable, quick-drying, and with UV protection,this is a good choice for the summer if you in the outdoor. Widely Use: Men, women or children can use the fitness arm sleeve for sports, football, basketball, golf, tennis, cycling, bowling, baseball, etc., to help protect the arm from scratches, blisters and bruises. It also can help improve arm circulation while supporting surrounding muscles. Washing Tips: Machine wash: cold (up to 40C or 104F); non-chlorine; iron cover; do not dry; do not expose to the sun.