Using 100% organic stretch-knit cotton, quilted to 100% pure Plein Air wool and with individually pocketed coils, the Kid Coil mattress is a safe, chemical fire retardant free children’s mattress that offers great value and peace of mind knowing that our children are safe from harmful substances, so they can sleep deeply and grow up strong and safe. Mattresses only available in Twin size and recommended for kids under 150 pounds.