Reflective armband,can be called reflective arm band,reflective bracelet,or magic arm band,wrist band,with your logo or words Reflective armband1)can ... reflective slap wrap,or reflective slap wrap,reflective bracelet,magic arm band,wrist band etc2)material:PVC with sheet steel inside3)common ... gently to let it wind aroundc)To straighten unwind the strap,and stretch it until it makes a sound like a ...