Storing Box Storing Box is a range of 18 cl, 31 cl and 42 cl jars. Practical and durable: stacked on top of one another, these pretty jars are a real eye-catcher on any kitchen shelf. Small in size, they are ideal for storing dry ingredients such as spices. And thanks to the lid, everything stays protected. Made entirely from glass and cork, Storing Box is the perfect zero plastic solution for more sustainable living.