Brighter than before. Introducing the new neon series. With the new neon series, Smart Shake 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 Smart Shake's new neon series. After all, if you're going to work hard, you might as well look good, too.