Canva
Step 1: File setup
Create a design button > Custom Size > Enter the ordered size of the product > Design your product.
Step 2: Save with Bleed
Select Share (Top Right)
Select Download in the drop-down menu
File Type PDF Print
Select Crop Marks & Bleed
Select Flatten PDF
Select colour Profile CMYK (For Paid users only)
Select Download
Step 3: Convert to CMYK (Non-paying Canva Users)
Unfortunately, Canva is a digital design studio which means it works in RGB colour Mode. You will now need to convert your artwork to CMYK before uploading it to your printulu order. You can upload your artwork here and follow the onscreen prompts.