Design Guidelines – Letter A4

Below are some best practices to follow when you are using an HTML template to design an A4 letter in portrait orientation. Following these Design Guidelines – Letter A4 will help you to set the correct lay-out for your campaign.

Design Guidelines – Letter A4 – Front Side Template

Design Guidelines - Letter A4 - Front Side

Bleed Area

The bleed is the 3mm extra space added to the outer edges of the printed document. For example, with the A4 letter you will see that the file that you are creating is actually 216 x 303mm instead of 210 x 297mm. This extra space is what we call the bleed area, which will be removed when the letter is trimmed to its final size.

Please ensure that all background graphics or photos extend to the edge of the bleed area. The dimension of this bleed area is 2551 x 3579 pixels. Not having your background graphics or photos extend into the bleed area could result in a white or unprinted border around the edge of the letter.

Trim Size

The trim size is the final size the letter will be trimmed to. For the A4 format this will be 210 x 297mm and is indicated by the red dotted line.

Save Zone

Keep your text and important elements within the safe zone, as trimming of the letter might affect the 3mm grey area. The safe zone for the A4 letter is 204 x 291mm and is indicated by the green dotted line.

Ink-Free Area

The white “Ink-Free Area” represent a white box which will be printed on top of all the content. For the A4 letter there is one ink-free area: the “Address Area”.

Address Area

The address area is 110 x 40mm and is reserved for the recipient name and address details. Anything in this area will be replaced by a white box to leave room for the address information and barcode.

Window Area

The window area is 110 x 40mm and represents the area which will be visible through the envelope window.

Folding Line

The folding line indicates the position where the letter will be folded. This will be 143 mm from the top of trimmed letter, or 146mm from the top of the letter including the 3mm extra bleed.

Design Guidelines – Letter A4 – Back Side Template

Below are some best practices to follow when you are using an HTML template to design the back side of an A4 letter in portrait orientation.

Design Guidelines - Letter A4 - Back Side

Bleed Area

The bleed is the 3mm extra space added to the outer edges of the printed document. For example, with the A4 letter you will see that the file that you are creating is actually 216 x 303mm instead of 210 x 297mm. This extra space is what we call the bleed area, which will be removed when the letter is trimmed to its final size.

Please ensure that all background graphics or photos extend to the edge of the bleed area. The dimension of this bleed area is 2551 x 3579 pixels. Not having your background graphics or photos extend into the bleed area could result in a white or unprinted border around the edge of the letter.

Trim Size

The trim size is the final size the letter will be trimmed to. For the A4 format this will be 210 x 297mm and is indicated by the red dotted line.

Save Zone

Keep your text and important elements within the safe zone, as trimming of the letter might affect the 3mm grey area. The safe zone for the A4 letter is 204 x 291mm and is indicated by the green dotted line.

Folding Line

The folding line indicates the position where the letter will be folded. This will be 143 mm from the top of trimmed letter, or 146mm from the top of the letter including the 3mm extra bleed.

Activating the Design Guidelines

To display the design guidelines in the HTML Template Editor you simply activate the “Guides”-icon in the top toolbar. The “guides” toolbar icon is highlighted in the screenshot below. Activating the guides will display the green dotted line for the save zone and the red dotted line for the trim size on top of your design. These guidelines are just a support in the design process and will not be printed. 

Design Guidelines - Interface Activation