For simple style and effortless comfort, this cotton rich pinafore comes styled with a pretty bow detail and is easily slipped on over a school shirt. Easily machine washed and tumble dried, this pinafore makes a convenient addition to any school wear wardrobe. We are transitioning this garment to organic cotton. While we transition, customers may receive items made with either sustainably sourced cotton or sustainably sourced organic cotton.  All of the cotton for M&S' clothing is sustainably sourced and always will be.