--- title: Design Guidelines | PostGrid description: Page size and layout requirements for letters, postcards, and other mail types across the US, Canada, UK, and Australia. --- There are two main methods for providing printable content to PostGrid: uploading pre-designed PDFs or creating HTML files using the Template Editor. In both cases, the address information will be automatically added to the final mailing. ## Letter Guidelines For letters, the destination and return addresses are stamped on the first page of your mailing by default. Refer to the following table: | Country | Guideline | | :----------------- | :----------------------------------------------------------------------------------------------------------------------- | | **Canada** | [Click here](https://pg-prod-bucket-1.s3.us-east-1.amazonaws.com/assets/design-guidelines/ca_letter_8.5inx11in.pdf) | | **United Kingdom** | [Click here](https://pg-prod-bucket-1.s3.us-east-1.amazonaws.com/assets/design-guidelines/uk_letter_8.3inx11.7in.pdf) | | **US & Intl.** | [Click here](https://pg-prod-bucket-1.s3.us-east-1.amazonaws.com/assets/design-guidelines/us_intl_letter_8.5inx11in.pdf) | | **Australia** | [Click here](https://pg-prod-bucket-1.s3.us-east-1.amazonaws.com/assets/design-guidelines/au_letter_8.3inx11.7in.pdf) | | Country | Page Size | | :----------------- | :------------------ | | **Canada** | 8.5 x 11 inches | | **United Kingdom** | 8.3 x 11.7 inches | | **US & Intl.** | 8.5 x 11 inches | | **Australia** | 8.25 x 11.75 inches | All content under the indicated region is covered. If you do not want this, you can also insert a blank page just for the address by clicking on the ‘**Insert Blank Page for Address**’ checkbox while creating the orders. For postcards, the guideline varies depending on size and country. Refer to the following tables: ### Platic Card Inserts If you have the plastic card inserts feature enabled, your plastic card templates/PDF files must follow the following guideline: Click [here](https://pg-prod-bucket-1.s3.amazonaws.com/assets/plastic_card_guideline_standard.pdf). ## Postcard Guidelines **Canada** | Country | Page Size | | :------- | :---------------------------------------------------------------------------------------------------------------------------------------- | | **6x4** | Click [here](https://pg-prod-bucket-1.s3.us-east-1.amazonaws.com/assets/design-guidelines/ca_postcard_6inx4in.pdf) to view the guideline | | **9x6** | Click [here](https://pg-prod-bucket-1.s3.us-east-1.amazonaws.com/assets/design-guidelines/ca_postcard_9inx6in.pdf) to view the guideline | | **11x6** | Click [here](https://pg-prod-bucket-1.s3.us-east-1.amazonaws.com/assets/design-guidelines/ca_postcard_11inx6in.pdf) to view the guideline | **United Kingdom & Europe** | Country | Page Size | | :------- | :---------------------------------------------------------------------------------------------------------------------------------------- | | **6x4** | Click [here](https://pg-prod-bucket-1.s3.us-east-1.amazonaws.com/assets/design-guidelines/uk_postcard_6inx4in.pdf) to view the guideline | | **9x6** | Click [here](https://pg-prod-bucket-1.s3.us-east-1.amazonaws.com/assets/design-guidelines/uk_postcard_9inx6in.pdf) to view the guideline | | **11x6** | Click [here](https://pg-prod-bucket-1.s3.us-east-1.amazonaws.com/assets/design-guidelines/uk_postcard_11inx6in.pdf) to view the guideline | *Note that for the UK postcards, the red zone’s width is half the width of the postcard itself.* **US & International** | Country | Page Size | | :------- | :--------------------------------------------------------------------------------------------------------------------------------------------- | | **6x4** | Click [here](https://pg-prod-bucket-1.s3.us-east-1.amazonaws.com/assets/design-guidelines/us_intl_postcard_6inx4in.pdf) to view the guideline | | **9x6** | Click [here](https://pg-prod-bucket-1.s3.us-east-1.amazonaws.com/assets/design-guidelines/us_intl_postcard_9inx6in.pdf) to view the guideline | | **11x6** | Click [here](https://pg-prod-bucket-1.s3.us-east-1.amazonaws.com/assets/design-guidelines/us_intl_postcard_11inx6in.pdf) to view the guideline | For cheques, the message HTML can cover 7 inches from the top of the first page to the top of the cheque. There is a 0.3in margin applied to this message as it is required for optimal printing. ## Self-mailers Guidelines For self mailers, the guideline varies depending on the size/type of self mailer you’re sending: **Bifold US & International** | Size | Guideline | | :----------------- | :--------------------------------------------------------------------------------------------------------------------------------------------------------- | | **8.5x11\_bifold** | Click [here](https://pg-prod-bucket-1.s3.us-east-1.amazonaws.com/assets/design-guidelines/us_intl_self_mailer_bifold_8.5inx11in.pdf) to view the guideline | **Tri-fold US & International** | Size | Guideline | | :------------------ | :---------------------------------------------------------------------------------------------------------------------------------------------------------- | | **8.5x11\_trifold** | Click [here](https://pg-prod-bucket-1.s3.us-east-1.amazonaws.com/assets/design-guidelines/us_intl_self_mailer_trifold_8.5inx11in.pdf) to view the guideline | ## Snap Packs Guidelines For Snap packs, the guideline vary depending on the size/type of snap pack you’re sending: **Bifold US & International** | Size | Guideline | | :-------------------------- | :--------------------------------------------------------------------------------------------------------------------------------------------------------- | | **8.5″×11″ V-Fold\_bifold** | Click [here](https://pg-prod-bucket-1.s3.us-east-1.amazonaws.com/assets/design-guidelines/us_intl_snap_pack_bifold_v_8.5inx11in.pdf) to view the guideline | **Tri-fold US & International** | Size | Guideline | | :-------------------------- | :---------------------------------------------------------------------------------------------------------------------------------------------------------- | | **8.5×11″ C-Fold\_trifold** | Click [here](https://pg-prod-bucket-1.s3.us-east-1.amazonaws.com/assets/design-guidelines/us_intl_snap_pack_trifold_c_8.5inx11in.pdf) to view the guideline | Please note Snap Pack is currently only available in the Test Mode. ## Letter Size By default, the letter size will be selected based on the destination country. However, you can override this by selecting a specific letter size from the ‘Page Size’ dropdown, such as US Letter or A4. | Country | Allowed Options | | :-------------------- | :-------------- | | **US** | US Letter | | **UK** | A4 | | **Rest of the world** | US Letter | ## Cheque Size By default, the cheque size will be chosen based on the destination country. You can override this to get a specific cheque size by supplying a size parameter with one of the other size options. | Country | Allowed Options | | :-------------------- | :-------------- | | **US** | US Letter | | **Rest of the world** | US Letter |