a small, rectangular object a plastic shell with two spools on each end a hole in the center of one side a pair of reels inside the shell a window on the top side to view the tape a sliding tab to open the cassette a label on the outside of the shell
cassette which is a small, rectangular object cassette which is a plastic shell with two spools on each end cassette which is a hole in the center of one side cassette which is a pair of reels inside the shell cassette which is a window on the top side to view the tape cassette which is a sliding tab to open the cassette cassette which is a label on the outside of the shell