The SmartShake Smart Reforce in black is a protein shaker with a capacity of 900ml, ideal for easy preparation of protein drinks and other liquids. Its stainless steel construction makes it healthier compared to plastic shakers and ensures that your drink stays cool for a longer time. It is easy to carry, perfect for the gym or the workplace, and can also be used as a simple water bottle, keeping it cool. Take advantage of its longer lifespan and more environmentally friendly nature in every meal or workout.