7 inch x 3 1/2 inch x 1 1/2 inch high quality plastic boxes with snap close hinge lids. Each box has 5 compartments four 2 1/4 inch x 1 3/4 inch and one 3 1/2 inch x 2 1/4 inch We use these for our screw kits and make a great intem for your R/C tool box to hold small parts.
