Vitamix 056264 20 Ounce Container Cup, 20 oz, Clear The dual-purpose Container / Travel Cup is both a standard to-go cup for hot and cold beverages, and a blending container for use with Vitamix S-Series machines. Bpa-Free cup fits in most car cup holders for easy transport.Safety interlock tabs securely lock the container to the S-Series motor base Double-Walled container allows you to blend individual servings and quickly take them to go. Not compatible with Vitamix Ascent Series Machines. Easy cleaning - top rack dishwasher-safe.