BlenderBottle Classic Shaker Bottle Perfect for Protein Shakes and Pre Workout, 28-Ounce, Black
28-Ounce capacity (Note: measurements only go to 20 ounces)
Patented mixing system uses 316 surgical-grade stainless steel Blender Ball found only in Blender Bottle brand shaker cups
Screw-on lid creates leak-proof seal, and flip cap snaps securely shut to keep contents contained; loop top for easy carrying or attaching keys