Polka-dotted

My mother bought a new checkered hat, a print corset, a plaid midi skirt, a polka-dotted bag, a striped shirt, and a plain turquoise dress.

Source: tatoeba (10692074)

On arrival at Birmingham New Street, I make my way upstairs to the mezzanine to get shots of an almost deserted concourse, polka-dotted with social distancing circles like some strange board-game.

Source: wiktionary