Size Small Reflective Striped Pants Fluorescent Casual Joggers Women 70% Polyester, 10%Spandex, 20%High reflective fabric Hand Wash Only Closure type: Drawstring About this item Material : Rainbow reflective striped pants is made of 70% Polyester, 10%Spandex and 20%High reflective fabric. Reflective stripe details on sides, add a sense of fashion. One pair of pants has two effects. By day it is a normal black and gray stripe pant. But at night or in dim places,when you are hit the stripe by light, the stripe becomes as gorgeous as a rainbow,its brightness dazzles the eyes.