Vintage white and blue t-shirt with "O" print

Vintage white short sleeve shirt with navy blue trim and donut print. By the brand Bistro. No size or fabric tag but fabric seems synthetic. One button on the back Square neckline Small stain on sleeve- last pic Side hem was restitched but not visible when worn - 2nd to last pic There are small belt loops on sides but original belt is missing When flat Pit to pit 20" Length from shoulder to bottom hem 24"