This is a great size for small tarts or chunks. The clamshell design closes tightly and creates it's own retail display unit. The flat side is easy to label and the hang tab provides an excellent retail display. Can be used for both wax and soap and we recommend pouring at temperatures of 160 degrees or less. Measures 6 1/4" H x 4 3/4" W x 5/8" D. Each cavity measures 1" w x 5/8" h x 5/8" d.