A: No it does not have a prop65 warning. We take great care in the quality of our products. The fabric and filling in the Boppy® Feeding and Infant Support pillow (and slipcovers for those pillows) are exempt from California Bureau of Home Furnishings flammability standards and have never contained harmful flame-retardant chemicals. The Boppy® Pillow is filled with virgin polyester fiberfill and is upholstered in fabric that is 90% polyester and 10% cotton. What the Boppy Pillow wears on the outside is up to you! Its wardrobe consists of slipcovers made from soft cotton blends, to minky plush or organic cotton.