Ninja BlendBOSS is the Ninja's most powerful ice crushing tumbler blender. You can crush ice to snow in seconds. The countertop friendly base has One-Touch Auto-iQ programs that unlocks ice-crushing, powerful blending without any guesswork. Handled leakproof tumbler to take your blends on the go in one simple step. The integrated chug lid lets you sip directly from the vessel and is leakproof in the locked position.