The Big Boss blender multi blender system is a must have for every kitchen. The 15-Piece. system features 3-18-Ounce. large cups with 3 matching comfort rings, 4 assorted lids and 1 stainless steel blade attachment. A design so versatile, it chops vegetable, blends smoothies, grates cheese, grinds coffee, mixes soups, batters, cocktails and so much more. Easy to use; just place ingredients into cup of your choice, twist on blade of your choice, lock onto the power base and down to start operation. With safety locks on the power base, it prevents accidental spills and messes. Includes 2 sport lids so you can take your own drink creation on the go.