YOFAN 3 Pack Milkshake Protein Shaker Ball , Food Grade 304 Stainless Steel Wire Mixer Mixing Whisk Ball For Protein Shakes replacement includes 3 whisk ball which are easy to clean and never rust.</p> </p> </p> </p> YOFAN whish ball makes most of your bottles into shaker cups.</p> </p> </p> </p> This shaker ball is made of food grade 304 stainless steel,healthy,durable and never rust</p> </p> </p> </p> Don't worry of shaker balls' being lost-you will get 3 YOFAN whisk balls at a time</p> </p> </p> </p>