Vintage Wide Leg Polyester Pants Elastic Waist Sz M?

Vintage Wide Leg Polyester Pants Elastic Waist Sz M? Great vintage condition. No rips, tears or holes. One tiny dark spot on the back of the upper thigh. Not very noticeable, see last photo. Very retro with a tan and light blue rectangle checked design with white background. Size tag is too faded to read but I’m calling the size M, see measurements for fit. Approximate measurements laying flat. Waist unstretched: 12” Waist fully stretched: 16” Hips: 20” Rise: 12 1/2” Inseam: 26 1/2” Leg opening: 11” Please review all photos as they are part of the description. Thank you for looking.