Peoniee pack of 5 Stainless Steel Blender Mixer Balls For Protein Shakers Replacement Wire Whisk for Sports Drink Bottle Mixers Made of hight quality stainless steel Perfect for any protein shakers, rubbermaid bottles, water bottles Great to make your own healthy quick drink Easy to clean Qty: 5 mixer balls (shakers / bottles are not included); usually takes 7-20 days to the US