Ship conveniently with flat rate box Flat rate boxes are now available for purchase at all of our Canada Post locations.

Buy a box and conveniently send your parcel anywhere in Canada. As long as it doesn’t weigh over 5 kg, if it fits, it ships. Due to the current COVID-19 situation, flat rate boxes can now be purchased online in packs of 12 only, and shipped to you. Buy flat rate boxes. Why use our flat rate box? Simplify your sending Purchase a ready to use box from any Canada Post location. Pack your items, address your box and send your package on its way. No surprise costs No need to calculate shipping rates. The price of postage is included in the cost of the box. Postage isn’t based on your parcel’s destination or weight, up to 5 kg. 3 convenient sizes Boxes come in small, medium and large to meet your shipping needs. Large flat rate boxes are not available at all Canada Post locations. A request for large boxes can be made by the post office. Environmentally friendly packaging Our flat rate box is produced with at least 60% recycled content and 25% post-consumer waste. They are printed using water-based inks and are 100% recyclable. What the flat rate box includes Postage High quality shipping box Tracking and on-time delivery guarantee* Up to $100 of liability coverage for loss or damage** No additional features and options can be added such as additional liability, coverage or signature***. How to get your flat rate box and ship Purchase a box from any post office across Canada. Flat rate boxes cannot be purchased online. Pack your flat rate box without changing its dimensions or shape and secure its contents. Make sure your box doesn’t weigh more than 5 kg. These boxes will not be accepted. Ship your box from any post office or drop off small boxes in a street letter box. Please note that the delivery standard period starts when the box is first scanned. Box sizes and costs All flat rate boxes include tracking and on-time delivery guarantee across the country, varying by destination. Use our online delivery standards tool to find out when you can expect your flat rate box to reach its receiver. Determine delivery standard Small Medium Large Dimensions Lenght x Width x Height 35cm x 26 cm x 5cm (10 3/8 inches x 14 inches x 2 1/8 inches) 39 cm x 26 cm x 12 cm (15 3/8 inches x 10 1/4 inches x 4 3/4 inches) 40 cm x 30 cm x 19 cm (15 3/4 inches x 11 13/16 inches x 7 1/2 inches) Max. weight 5 kg 5 kg 5 kg Price $17.99 $22.99 $29.99 Drop off location Street letter box or post office Post office Post office *For information on the on-time delivery guarantee refer to the Canada Post Guide for Terms and Conditions. **Exceptions and conditions apply. See General Terms and Conditions for more information. ***Canada Post Solutions for Small BusinessTM and commercial accounts are not eligible for discounts on the flat rate box. $3 OFF SMALL FLAT RATE BOX OFFER CURRENTLY AVAILABLE IN THE GREAT GIFT IDEAS CATALOGUE AND DETAILS MAGAZINE IS VALID ONLY UNTIL DECEMBER 31, 2019. Support What items can’t be sent through the mail Access electronic shipping tools Prepaid products Useful links Looking for a postal code? Get a Canadian postal code for a street address, rural route, postal box or general delivery. Find a postal code Looking for the closest post office? We have more than 6,200 post offices across Canada. Find the one nearest you. Find a post office Understand our delivery standards See how long it takes for a letter or parcel to arrive when you plug in a destination postal code or province within Canada.