These gentle undershirts are made of 100% cotton, a soft material that's kind to babies' skin. - Size: 80 - Material: 100% Cotton - Material: 95% Polyester - Material: 5% Polyurethane Made of quilted fabric. I hope someone can make good use of them ☺︎ There are no noticeable stains, but there is some fraying near the buttons in places. ★Please check the condition before purchasing. Please refrain from purchasing if you are nervous about used items due to home storage.