Ready to shake. This is how we mix Farmer Protein on the farm. One scoop of Farmer Protein with fresh milk, shaken up in our Weck Jar. This bundle brings them together for a little savings and an easy way to get your protein. What’s included: – One bag of any Farmer Protein – One glass Weck Jar Our Weck Jar is made of thick, durable glass and a lid that clamps shut to keep things sealed tight for protein shakes on the go.