Roaster, lid holds 6 g of butter and a fresher feel without refrigeration Non-porous enamel finish, non-absorbent surfaces, does not take on odors or stains, does not chip Made of high-fired ceramic in a selection of colours Dishwasher safe; Matches other Le Creuset ceramics, Lifetime guarantee Lid / cup holds 1 – 1/2 sticks butter; inverts in pot filled with water for airtight seal