Product information for Alka Alka® Shakebeker: Application of Alka Alka® Shakebeker: Whether mixing Alka® Greens powder or making alkaline water with Alka® Drops, this shake cup makes mixing everything easy and quick. ✓600ml shake cup. ✓BPA and DEHP free. ✓Guaranteed leakproof. ✓For shakes without lumps. ✓Can go in the dishwasher.Use of Alka Alka® Shakebeker: Fill the cup with water or vegetable milk of your choice, then add a sachet of Alka ® Greens. Close the cap and shake well. The grid at the top ensures a well-mixed, lump-free shake. In addition, the shake cup has a handy drinking spout.