Dimensions : 27x20x20cmWeight : 2.72kgColor : MulticoloredMaterial : Serious Mass from Optimum Nutrition provides every active athlete with the nutrients needed to gain weight and support the body in building and maintaining muscle. Thus, one can almost say that Serious Mass from Optimum Nutrition is a small guarantee that every active and ambitious athlete will be rewarded with the body they have been dreaming of since the first workout. Serious Mass from Optimum Nutrition is designed for athletes who want to gain weight in a targeted manner and create the foundation for an athletic body and corresponding muscles.1-3 servings per day has according to the needs approximately 80-100g. Dilute one portion between meals, one portion 1 hour before training and one portion directly after training in fresh water (300-400 ml).