✔️ USE IT ON-THE-GO - Patented Design with Carrying Loop, Stay-Open Cap, Easy Pour Spout, Leak Proof✔️ MIX ANYTHING - Easily Mix Smooth Protein Shakes, Powdered Mixes, Milkshakes, Dressing and More✔️ WON’T HURT YOUR EARS - Rubber Ball Mixes Better Than Metal Wires, With No Annoying Scratching Sounds