I have a great experience working with some clients for their Amazon Merch and Shopify e-commerce print on demand businesses. Sample Shirt Designs: https://jozelletech.com/apparel-design-portfolio/ Standard Offer Includes # Design (original, copyright free) # Revisions Color Variations Font Variation Final Output Printing Files: AI, EPS, SVG, PDF, PNG, JPG High Resolutions Web Files: PNG, JPG, Mock Up, Low Resolutions