Doesn't matter. However, I use my gear almost daily. I simply leave them in my camera bag. But for long term storages I would advise using the original Canon box and packaging.
EB
EOS 1D, EOS 1D MK IIn, EOS 1D MK III, EOS 1Ds MK III, EOS 1D MK IV and EOS 1DX and many lenses.
