The perfect foundation for your diorama or display. The Backdrop fits snuggly into the grooves on the molded, black base and provides a durable backdrop. Cut to any shape and paint, decorate, label, etc. Base Project Area 10 3/4" w x 7 3/8" d x 7 1/2" h (27.3 cm x 18.7 cm x 19 cm) Overall Size 12 1/2" w x 9 1/4" d x 9 5/8" h (31.7 cm x 23.4 cm x 24.4 cm)