Optimum Nutrition Gold Standard Gainer Shaker

1. What Is It? This is a jumbo shaker designed specifically to use with Optimum Nutrition Gold Standard Gainer protein powder. 

2. How Much Does It Cost? This shaker is $24.95.

This is a larger than usual shaker, with it holding over 1ltr of liquid. 

Key Features include:

• BPA & harsh plastic-free
• Convenient finger loop to hold
• Leakproof