Vacuum-insulated design keeps ice from melting for 30 or more hours Constructed to eliminate condensation and be spill-proof...perfect for the office or gym Precise fill lines inside make bottle ideal for mixing protein shakes or any concoction Tapered shape makes it easy to clean and easily fits in many vehicle cup-holders Agitator inside can be removed to make more room for ice and liquid Flexible silicone lanyard makes bottle easy to carry when you're on-the-go Made of BPA-free and odor-free kitchen-grade stainless steel Originally introduced on Shark Tank; created by former NFL player Chris Gronkowski IceSkakerTM bottle is the perfect solution for anyone who wants to keep their beverages cold for days. This do-it-all stainless steel bottle has precise fill lines marked inside and a BPA-free spill-proof lid. Double-wall construction ensures that bottle won't sweat or drip condensation on your desk, in your car cupholder, or anywhere. Speaking of cupholders, the tapered design of this bottle fits in most vehicles easily--and the flexible silicone lanyard makes it easy to carry. Bottle is perfect for the gym and for recovery drinks as the integrated agitator in the top helps mix up protein shake ingredients with a simple shake. Drinking from the bottle is easy too, with its convenient pop-top. Make the IceShakerTM Insulated Bottle your everyday drink holder. Get yours today !