Phd Nutrition | Phd Stainless Steel Shaker Bottle Bodybuilding Warehouse Phd Nutrition | The Phd Stainless Steel Shaker Is A Durable Shaker For Your Protein Shakes Which Can Withstand Prolonged Usage. The Phd Stainless Steel Shaker Is Hard Wearing And Holds Up To 25 Fl Oz (739Ml), Has A Tough Flip Open Lid Which Helps Prevent Any Leakages In Your Gym Bag. This Steel Shaker Cup Is Suitable For Cold Drinks Only. Please Do Not Use With Any Hot Drinks. | Phd Stainless Steel Shaker Bottle