DuriFit Protein Shaker Bottle 16 OZ with Storage Boxes and Mixing Ball High quality shaker bottle 16 fluid OZ, 5 piece kit 2 extra storage compartments (150cc + 100cc) for protein powder with hidden pill organizer Stainless steel blender ball for perfect mixture of your protein shakes, smoothies Easy ClicknLock cap guarantees leakproof, suitable for men and women Top rack dishwasher safe, plastic material is BPA-free and phthalate free