Pure Jar Pure Jar is a range of jars that are both practical and pretty. These airtight jars are ideal for storing dry food purchased in bulk. Store flour, rice, sugar, pasta, dried fruit… there are as many possibilities as there are containers! The full range comes in seven sizes. The practical see-through jars let you see the contents and check how much is left. The Pure Jar collection includes a variety of styles with different lids: wood, cork, glass, club and vintage.