6 PACK Stainless Blender Mixing Wire Whisk Ball for Sports Drink Protein Shaker Cup Bottle Mixers(1.45"1.8") (6)

Nutribomb Thunderballs Mixing Balls for Your Protein Shaker Cup - Replacement Shaker Balls

Protein Shaker 26oz Stainless Steel Insulated Water Bottle Protein Mixing Cup - Holds Ice for 30+ Hours

Hoople Mixing Ball Patent Pending Shake Ball The Third Generation Mixer Ball-Pack of 5

BlenderBottle Classic Loop Top Shaker Bottle 3-Pack, Blue/Grey/Black, 28-Ounce, Colors may vary

Blender Bottle with Shaker Ball 20 Oz, Pack of 3 (Blue, Red, Black)

BlenderBottle SportMixer Tritan Grip Shaker Bottle, Teal/Teal, 20-Ounce

BlenderBottle SportMixer Tritan Grip Shaker Bottle, Black/Pink, 20-Ounce

BlenderBottle SportMixer Tritan Grip Shaker Bottle, Black/Blue, 20-Ounce

Blender Bottle Classic Loop Top Shaker Bottle, Colors May Vary, 28-Ounce 2-Pack