Material: Soft fabric, gentle on baby's skin. Design: Simple design, easy to match with any top. Functionality: Elastic waist for easy on and off, with a back pocket for storing small items. - Color: Blue - Size: Set of 2, small and large sizes - Pocket: Back pocket available - Waist: Elastic waist The color appears gray in the photos, but it is blue. Please refer to the screenshot from the Uniqlo website (photo 5). There are no stains from food spills or pens, but there is a feeling of use. The name has been written on it, so the size and care label have been cut off. Please purchase only if you understand that this is a used item and has been inspected by an amateur. Material...Fleece Design...Solid