Throw a fun splash of color into your next promotional campaign with these awesome color-changing stadium cups! These cool 4 3/8 x 3 1/2 cups are made of durable polypropylene material and hold a big 16 ounces of your favorite beverages. Add an icy concoction and watch the cup change to a new color -- when the cup warms up, it will return to its original shade. Choose from 10 dynamic shades and add your school, sports team, organizational or company logo, emblem or message to customize. BPA free.