Your family and guests will be amazed that you made it yourself. They'll be even more amazed when you tell them that to make delicious, all-natural yogurt, sour cream or buttermilk takes just hours in this non-electric yogurt incubator. Incubator is light, portable, and easy to clean. Inner container is food grade. Starter culture not included. 9"H x 8"OD, 2 lb.. Holds 2 qt. Made in Canada. Note: Starter cultures work with this yogurt incubator (sold separately).To make yogurt, heat milk, add starter culture and pour into incubator. The Styrofoam canister retains warmth evenly for hours. Works with any milk - cow, goat, soy, homogenized, pasteurized, raw, powdered, canned, even coconut milk. Comes with a dairy thermometer and glass disc to keep milk from boiling over. No moving parts. Nothing to malfunction.