Brighter than before. Introducingthe new neon series. With the new neon series, SmartShake combines function with fashion to create the perfect shaker and accessory. With two or more cups you can mix and match the interchangeable parts to create your own customised shaker cup. Match your outfit, mood or personality with SmartShake's new neon series.After all, if you're going to work hard, you might as well look good, too.