BlenderBottle Combo-Pack: (1) 28 Oz Classic Bottle + (1) GoStak Starter 3PAK (Black);

BlenderBottle Portable Nutrition System......Say goodbye to the lumpy protein shakes and messy baggies, and hello to a sleek new system for on-the-go nutrition... BlenderBottle Combo Packs combine the unparalleled mixing of BlenderBottle brand shaker cups with the innovative versatility of the GoStak container system..... Whether at home, the office, or the gym, the BlenderBottle Combo Pack solves the need for portable nutrition.