If you are new to e-commerce, please take the time to inform yourself of the ins and outs of Canada Posts letter mail requirements to choose the right Slotbox for your company.

At 18.5 mm deep when folded, the Slotbox can meet the 20mm depth requirements of 'OTHER' (Non-Standard and Oversize) letter mail, but you are responsible to meet the length, width, weight and content requirements set out by Canada Post. All styles of the Slotboxes must be mailed in a standard paper envelope to qualify as regular post for Canada Post.

@MedalyFantaisies in Canada, items under 2 cm thick can be sent as oversized lettermail, which won't get mentioned in the parcels part of the site. Outside of Canada, you can use small packet. Don't use Etsy labels because they grossly overcharge for small packet; set up a Solutions for Small Business account to get a discount. Pack your parcels and lettermail more efficiently to save money on shipping costs. Exact same sized slots canada post uses at the post office! Custom Designed, High Quality 3D printed items! Only found here at Print3d.I only use premium quality, high strength, Non toxic, BPA free, biodegradable, environmentally safe plastic.

NO BUBBLE MAILERS REQUIRED!

But Canada Post says ' Customers may experience some delays'.They are liars and frauds. Media is silent. This needs to be a national news story and Canada Post needs to say 'Customers may experience 2-3 week delays'.

When sending within Canada, if the item you are mailing an item not made of paper - ie: a necklace - it is considered 'Other (Non-standard/Oversize)' since it is not paper. It still qualifies as regular post (instead of the expensive parcel rate) but the box must be sent in a basic envelope and will be subject to a postage rate based on weight. 'Other' (Non-standard/Oversize) regular postal rates range from $1.94 - $5.47 based on weight up to 500g. Over 500g and it must be sent as a parcel.

The following information is directly from Canada Posts Website as of January 13th, 2020. It is only a reference and is subject to change. Please visit www.CanadaPost.ca for current information, policy, and rates.

Canada Post Lettermail Slot

'OTHER' LETTER MAIL Minimum L 140mm W 90mm D 18mm 3g / Maximum L 380mm W 270mm D 20mm 500g

Postage based on weight: 3g - 100g $1.94 / 100g - 200g $3.19 / 200g - 300g $4.44 / 300g - 400g $5.09 / 400g - 500g $5.47 / 500g + = parcel rates

Canada Post Lettermail Tracking

*Any item that exceeds the maximum size or weight of Oversize letter mail no longer qualifies as letter mail and may qualify for one of the Parcel Services.

Canada Post Lettermail Size


Please note - This information does not apply when sending to the USA or Internationally. Any material “other than paper” will require a customs declaration and be subject to small packet and/or parcel rates.

Canada Post Letter Mail Slot Numbers

The Slotbox is intended for use in Canadian letter mail only.