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 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