According to the manufacturer the dimensions are as follows:
Width (measured at widest point): 4 5/8"
Height (base only): 2.5"
Height (total including dome): 4 1/4"
The lid for HFA4012DL - Plastic Dome Lid measures 1 1/2".
There are lids for the Genpak Bakery Trays (Items GNP55027 and GNP55026). They are sold separately, Item #GNP95026.
The tray has a capacity of 8 ounces.