Set of four canisters labeled for "Coffee," "Tea," "Sugar" and "Biscuits." INR - 3589 Made of earthenware with a glossy cream-colored glaze. Lids are solid acacia wood. Airtight rubber gaskets help keep foods fresh. Lids have an ergonomic shape that is easy to grip, and a lacquer finish that wipes clean easily. Dishwasher safe (without lids). A Williams-Sonoma exclusive.