2ALPHA Ice Shaker

2ALPHA Ice Shaker keeps drinks cold up to 30+ hrs (3rd party tested). Great for pre-workouts, shakes, BCAAs, coffee, smoothies, cocktails, iced tea & water. Features: 5oz-20oz measurement markings, stainless steel, noise-free agitator, carry handle, fits cup holders, BPA-free lid, sweat-proof base, easy to clean.