1 Gallon Butter Churn. Enjoy one of nature’s most delicious high energy foods. The stainless steel agitator that comes with the Buttermeister is another plus. Your product only comes in contact with glass and stainless steel, no plastic or aluminum. The Buttermeister includes a glass jar, motor, stainless steel agitator, and comes with full instructions and a one year warranty. Made in the USA with foreign and domestic parts