Box Contents: 12 4oz clear glass spice jars, 12 red sleek sifter lids, 24 black chalkboard labels, and 1 chalkboard pen. Jars stack nicely next to each other for optimal storage and organization. Each jar holds 4 ounces. To use the chalkboard pen press ink tip down on a piece of paper to bring ink to the surface, then write on your labels that are included.