Prepaids are flat-rated, postage included envelopes, bubble packs and boxes in Regional and National formats which are purchased in advance and used as required. They can be dropped off at any postal outlet. Prepaid Signature option stickers are also available for Xpresspost prepaids.
Prepaid boxes have weight limits.
Priority Courier packages in 2 handy sizes Container Size Max. Xpresspost packages in 8 handy sizes Container Size Max. If it fits, an Xpresspost prepaid item may be deposited in any street letter box. That s convenience - from Canada Post.