This popped off a canon 400D, unsure how they attach but assuming it will be useful / can be attatched
AUTHENTIC CANON EOS 400D 350D DSLR`s BATTERY COVER DOOR.
29 x Battery Door Cover Lids for Canon EOS 350D/400D/550D/600D/60D Bundle Lot
Camera USB HDMI Port Rubber Cover Door for Canon EOS 350D 400D 450D 500D Repair
Battery Door Replacement Compatible with Canon EOS 350D / 400D Camera Repair
Battery Door Cover for Canon EOS 350D 400D Digital DSLR Cameras
