With the Personal Cup Adapter, you can now blend individual smoothies and juices, homemade dressings and marinades, or quickly chop ingredients for any recipe. Blend single servings and immediately take them to go. No waste, no clean-up-just the perfect way to enjoy your favorite drinks Compatibility- For use with Vitamix Classic machines only: 5200, 5300, 6300, 6500, 7500, 780, Aspire Series, Creations Series, Professional Series, Total Nutrition Center, TurboBlend Series, Explorian Series. Not compatible with Vitamix Ascent Series machines. The personal cup adapter works with your legacy-series Vitamix Machine