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.
Dart® Conex Complements 3.25 oz Portion/Medicine Cups have top diameters of 2.9", base diameters of 2.2", and are 1.4" tall. You can order the matching lids here.