Ever had trouble keeping your yoghurt and other fermented foods at the right temperature? Us too, so we've worked with designers to create a Mad Millie double-walled, stainless steel culturing flask. Whip up your next batch of yoghurt, skyr or butter and pop it into this perfectly sized flask. Leave it overnight so the cultures can work their magic and voila! Designed to be used with Mad Millie Greek Yoghurt, Coconut Yoghurt, Skyr and Cultured Butter Kits. • Electricity free • Stainless Steel Quantity: 1 L capacity Size: 13 cm x 13 cm x 20 cm