Personal blenders are designed for a single-serving use with an on-the-go cup and lid, making for easy, quick, and individual drinks. Most of these cup sizes range between 14 to 20 ounces. Small blenders usually hold around 32-ounces, or 4-cups, and are designed to serve small groups. An exception to this would be the Oster Smash Blender, which comes with an additional 20-ounce Blend-N-Go cup.