I've pre-washed these but they are unused. 100% cotton, Two patterns of baby underwear: constellation print and plain, Two mesh and two regular fabric pieces, a set of 4. - Material: 100% cotton - Design: Two patterns, constellation print and plain, set of 4 - Size: 50-60 I bought these in the same patterns, mesh for fall/winter, and regular fabric for winter. I think they're cute for both girls and boys ☺︎ Thank you for looking.