The ultra-powerful BlendBOSS blends single-serving smoothies, frozen cocktails and dips with ease. The vessel's ribbed interior creates a blending vortex, and stainless steel blades blast through ice and frozen ingredients. Fitted with a carrying handle and an easy-open, secure-locking chug lid, the to-go vessel goes everywhere with you. The tumbler fits in your car cup holder, and all removable partscup, lid, straw and blade assemblyclean up easily in the dishwasher.