Our board butter comes in 4 oz tins. They are sold as single or sets of 4. Board Butter is made from Mineral Oil, Bees Wax and Carnuba Wax. All ingredients are food grade and the directions for use are printed on the bottom of each tin. Board Butter is used to keep your cutting boards from drying out over time. The mixture of oil and waxes create a natural water resistant finish and keep your boards looking beautiful for years to come.