I received this from my family and wore it a few times. I think it can be worn alone over diapers for babies aged 0-2, and then worn under skirts as they grow. - Color: Gray - Size: Free size (labeled as size 70, but it's free size) - Material: 100% cotton, made in Japan *Please purchase only if you understand that this is a used item stored at home. *We will fold it compactly for shipping. *No price reduction.