The MultiShaker is made for elevating your fitness journey. Our built-in patent-pending agitator blends your shakes, greens, and powders without any clumps, while also serving as a water infuser for herbs and fruits. It includes our BevGuard™™ insulation to keep ice for 24+ hours, a spill-proof MagFlip™ lid, volume markings on the inside, a durable, easy-carry swing handle, a non-slip base, and the ability to interchange tops with our BevLock™ or Straw Lids, making it perfect for any workout or adventure. Cup holder Friendly