Optimumnutrition

Opti-Lock™ Shaker

Opti-Lock™ Shaker - Main image
$11.87 $17.99 In stock

Category: Accessories

Developed in partnership with Promixx, the Opti-Lock™ Shaker features a patented, single-direction sealing mechanism with an audible & tactile lid locking device that delivers leak-proof performance and unmistakable confidence in use. It's a tangible expression of Optimum Nutrition's commitment to quality, innovation, and consumer-first design.
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Standard Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

Express Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

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Standard Shipping · United States: $0.00

Express Shipping · United States: $3.99

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United States · Return window (days after delivery): 30. Return method: By mail. Return postage: Seller pays.

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Customer Reviews (4.8 / 5 · 18 reviews)

Elizabeth K. ★★★★★

The click when I lock the lid is so satisfying, and it’s honestly the first shaker I trust to stay upside down in my work bag without a single drop leaking. The single-direction seal takes a second to get used to, but once you hear that tactile snap, you know it’s secure.

Nicholas ★★★★★

I’ve tossed this thing in my gym bag sideways more times than I can count, and not a single drop has escaped. The lid’s one-way seal takes just a firm twist to lock, and that tactile snap gives you instant confidence before you shake it.

Ruby F. ★★★★★

That audible click when the lid locks is so satisfying, and I've tossed it in my gym bag upside down without a single drop leaking. Feels solidly built too, not flimsy like other shakers I've gone through.