CanadaPost Slot of Doom by orionoreo

This Canada Post Lettermail Slot Sizer is your trusty companion for determining whether your mail falls within the standard or oversized

Box height 58 --- Mail your products by Canada Post Lettermail to save postage!

canada slot Canada Post

canada slot machines I send out a ton of mail for my business via oversized lettermail I have a slot of doom I was just wondering how it works