Sorry to hear that you are not happy with the quality of apron that you have received from us. We make these in-house in our sewing room, and the material composition is 65/35. We have not received any other complaints regarding leaving noticeable spots before, we would like to learn more and hopefully rectify this for you, if you could contact our Customer Service team, we will be able to advise and help you with any queries or issues that you have with your order.