Handi-Foil Square Disposable Aluminum Foil Cake Pan With Clear Dome Lid.

Please Note:
This pan actually measures : Top-Out: 8-3/4" x 8-3/4* Top-In: 8" x 8" Bottom: 7-1/2" x 7-1/2" Vertical Depth: 1-17/32", however the manufacturer calls it a 9" Square Cake Pan. (See precise dimensions below).
Handi-Foil square aluminum foil cake pans with matching clear plastic dome lids. The dome lids snap-on to the top of the pan, providing an upscale food presentation as well as allowing for easy transport. The manufacturer calls these a 9" square cake pan, based upon the outer width of 8.75". However if you measure from inside rim-to-rim they are 8" across. 

Actual pan dimensions: Top-Out: 8-3/4" x 8-3/4* Top-In: 8" x 8" Bottom: 7-1/2" x 7-1/2" Vertical Depth: 1-17/32"..