Making milk kefir at home couldn't be easier with our Milk Kefir Starter Kit. This kit includes 4 hand-picked ingredients & supplies to help you get started: 1 - Box of Milk Kefir Grains (re-usable heirloom grains) 1 - 2.5-inch Nylon Mesh Strainer 1 - Stick-On Thermometer 1 - Butter Muslin Jar Cover (1 square yard) You Supply: Pasteurized Whole Milk & Jar for Culturing. Packaged in a small amount of organic powdered milk to extend shelf life. kashrus_,