XTKS 3 Layer protein shaker bottle 18oz shaker bottle for protein shakes 500ml
XTKS Shaker Bottle Protein Shaker Bottles with Powder Storage & Pill Case,18OZ/500ML Sports Water Bottle Gym Shaker Cup with Mixing Ball Protein Mixes,Leak Proof,BPA Free. The inner wall of the shake cup features a unique curved design.