New Brown 100 PCS 32 ECT C-flute 8.5"x11" Corrugated Cardboard Pads Inserts for Magazines, Comic Books, Pictures, Awards, Important Paperwork, Etc. Brown 100 PCS 32 ECT C-flute 8.5"x11" Corrugated Cardboard Pads Inserts for Magazines, Comic Books, Pictures, Awards, Important Paperwork, Etc.