Optimum Nutrition Opti-Lock™ Leakproof Shaker – Patented Locking Lid System The Optimum Nutrition Opti-Lock™ Leakproof Shaker is built for reliable, mess-free mixing wherever you train. Developed in partnership with Promixx, it features a patented single-direction sealing mechanism with an audible and tactile locking lid for guaranteed leak-proof performance. With a removable snap-fit agitator and domed base for optimal mixing, this shaker delivers confidence in every shake. Key Benefits: Flip cap + integrated attachment loop Guaranteed leak-proof Removable Snap-fit Agitator Domed Form for Optimal Mixing 700ml capacity Top rack dishwasher safe Built for Smooth, Mess-Free Shakes Whether you're mixing whey protein, pre-workout, or daily supplements, the Opti-Lock™ Shaker is designed to perform. The domed base and snap-fit agitator work together to improve mixing, while the locking lid system helps prevent leaks during transport. It’s a practical upgrade for anyone serious about convenient supplement use. Directions for Use Wash thoroughly before first use. For best results, add liquid before adding your powder to support smoother mixing. Suitable For Gym-goers and athletes using protein powders or supplements Anyone wanting a secure, leak-proof shaker bottle Daily use at home, work, or on the go
