Square, black ramekin with smooth surface for holding and serving butter, condiment, or another food Made of melamine resin for drying properties, durability, and resistance to heat Dishwasher-safe; withstands temperatures up to 212 degrees F Measures 2.75 x 2.75 x 1.00"/6.99 x 6.99 x 2.54 cm overall; has 2.00 oz./0.06 liter capacity BPA-free to address food safety concerns raised by FDA and other organizations