Amazon has this BlenderBottle Sport Mixer with BlenderBall wire whisk for only $7.49 (Reg $14.99) plus it has Prime Shipping. It’s a 28-ounce bottle that is dishwasher safe and BPA fre ewith a rubberized grip.
If you are not already a Prime Member you can join with a 30-day free trial of Prime, as a student with Prime Student, or as part of Amazon Family.