Cell Width offers a myriad of options that gives you control over how your widgets appear across all devices.
Cell Width Percentage (%)
Widgets can share a preview of the next product in the widget, or not. For example, if you want to remove this "sneak peak":
Cell Width Pixel (px)
Pro tip: Match the Cell Width Pixels to the custom dimension field up top and enter your blogs dimension here. This will prevent surprises when you embed the widget onto your blog!
Using pixels, the mobile experience will conform to keep the pixels you've set. This means that images will usually render in a larger format, than if they are set by %.