Cute cotton bedwetting sheet featuring Minnie Mouse's face and hearts. - Color: Pink - Design: Minnie Mouse face and heart pattern - Material: Cotton - Waist: Elastic Thank you for viewing. The outer and inner fabrics are polyester and cotton. The back of the outer fabric is water-repellent. I bought this for travel just in case, but I haven't had any bedwetting incidents. I've used it about twice. From a casual inspection, there are no noticeable stains or pilling.