Close-ups of people or pets often "pop" better on a small curved surface than wide horizontal group shots, which can distort at the edges.
Aim for a resolution of at least 300 ppi at the actual print size. A minimum resolution of 1050x2400 pixels is often recommended for full wraps. buy photo mug
The quality of the final product depends heavily on the image you provide. Close-ups of people or pets often "pop" better
The same image or text printed on both sides, ensuring it's visible from any angle. buy photo mug
How to design custom mugs—a step-by-step guide - Vistaprint
Feature a white exterior for the photo but have a colored handle and interior (e.g., black, blue, red, pink).