Designed for beginners, this kit contains our Milk Kefir Grains plus 3 tried-and-true culturing supplies to make it easy to get started making milk kefir at home. Just add milk! Shelf stable. 1 case contains 8 units (kits). Kit Includes: 1 Box of Milk Kefir Grains (re-usable heirloom grains) 1 Stainless Steel Strainer 1 Stick-On Thermometer 1 Butter Muslin Jar Cover (1 square yard) Quality Tested We test our cultures for the presence of coliform - a bacteria contamination that leads to potential health risks. Safe Food Consumption is Less Than 10/cfu/ml Our Milk Kefir Grains Level of Coliform Present: <10 cfu/ml Brand One Milk Kefir Grains Level of Coliform Present: 4,400,000 cfu/ml Brand Two Milk Kefir Grains Level of Coliform Present: 30 cfu/ml Single Item Details: UPC: 814598021008 MSRP: $52.99